1573566480 has 160 divisors (see below), whose sum is σ = 5452686720. Its totient is φ = 417093120.

The previous prime is 1573566473. The next prime is 1573566487. The reversal of 1573566480 is 846653751.

1573566480 is a `hidden beast` number, since 1 + 5 + 7 + 3 + 566 + 4 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (1573566473) and next prime (1573566487).

It is a super-2 number, since 2×1573566480² = 4952222933959180800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1573566487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371575 + ... + 375785.

It is an arithmetic number, because the mean of its divisors is an integer number (34079292).

Almost surely, 2^1573566480 is an apocalyptic number.

1573566480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1573566480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2726343360).

1573566480 is an abundant number, since it is smaller than the sum of its proper divisors (3879120240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1573566480 is a wasteful number, since it uses less digits than its factorization.

1573566480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406 (or 4394 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 1573566480 is about 39668.2049001464. The cubic root of 1573566480 is about 1163.1302887989.

It can be divided in two parts, 15735 and 66480, that added together give a triangular number (82215 = T₄₀₅).

The spelling of 1573566480 in words is "one billion, five hundred seventy-three million, five hundred sixty-six thousand, four hundred eighty".