1501413920 has 24 divisors (see below), whose sum is σ = 3547090764. Its totient is φ = 600565504.

The previous prime is 1501413913. The next prime is 1501413931. The reversal of 1501413920 is 293141051.

It can be written as a sum of positive squares in 2 ways, for example, as 1497070864 + 4343056 = 38692^2 + 2084^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1501413920.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4691759 + ... + 4692078.

Almost surely, 2^1501413920 is an apocalyptic number.

1501413920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1501413920 is an abundant number, since it is smaller than the sum of its proper divisors (2045676844).

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

1501413920 is an equidigital number, since it uses as much as digits as its factorization.

1501413920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9383852 (or 9383844 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1501413920 is about 38748.0827912814. The cubic root of 1501413920 is about 1145.0738039038.

Adding to 1501413920 its reverse (293141051), we get a palindrome (1794554971).

The spelling of 1501413920 in words is "one billion, five hundred one million, four hundred thirteen thousand, nine hundred twenty".