1490705580 has 384 divisors, whose sum is σ = 5422620672. Its totient is φ = 297603072.

The previous prime is 1490705551. The next prime is 1490705581. The reversal of 1490705580 is 855070941.

It is a super-3 number, since 3×1490705580³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1490705581) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9494862 + ... + 9495018.

It is an arithmetic number, because the mean of its divisors is an integer number (14121408).

Almost surely, 2^1490705580 is an apocalyptic number.

1490705580 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 1490705580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2711310336).

1490705580 is an abundant number, since it is smaller than the sum of its proper divisors (3931915092).

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

1490705580 is a wasteful number, since it uses less digits than its factorization.

1490705580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 1490705580 is about 38609.6565641291. The cubic root of 1490705580 is about 1142.3450190146.

The spelling of 1490705580 in words is "one billion, four hundred ninety million, seven hundred five thousand, five hundred eighty".