1516965240 has 64 divisors (see below), whose sum is σ = 5201026560. Its totient is φ = 346734720.

The previous prime is 1516965239. The next prime is 1516965269. The reversal of 1516965240 is 425696151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902116 + ... + 903795.

It is an arithmetic number, because the mean of its divisors is an integer number (81266040).

Almost surely, 2^1516965240 is an apocalyptic number.

1516965240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1516965240 is an abundant number, since it is smaller than the sum of its proper divisors (3684061320).

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

1516965240 is a wasteful number, since it uses less digits than its factorization.

1516965240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805932 (or 1805928 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1516965240 is about 38948.2379575765. The cubic root of 1516965240 is about 1149.0137075976.

The spelling of 1516965240 in words is "one billion, five hundred sixteen million, nine hundred sixty-five thousand, two hundred forty".