1571880960 has 408 divisors, whose sum is σ = 6011440344. Its totient is φ = 377487360.

The previous prime is 1571880917. The next prime is 1571880967. The reversal of 1571880960 is 690881751.

It can be written as a sum of positive squares in 4 ways, for example, as 37748736 + 1534132224 = 6144^2 + 39168^2 .

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 (1571880967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38338540 + ... + 38338580.

Almost surely, 2^1571880960 is an apocalyptic number.

1571880960 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 1571880960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3005720172).

1571880960 is an abundant number, since it is smaller than the sum of its proper divisors (4439559384).

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

1571880960 is an equidigital number, since it uses as much as digits as its factorization.

1571880960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The square root of 1571880960 is about 39646.9539813590. The cubic root of 1571880960 is about 1162.7148461738.

The spelling of 1571880960 in words is "one billion, five hundred seventy-one million, eight hundred eighty thousand, nine hundred sixty".