1520566480 has 40 divisors (see below), whose sum is σ = 3537844992. Its totient is φ = 607791744.

The previous prime is 1520566469. The next prime is 1520566493. The reversal of 1520566480 is 846650251.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120637 + ... + 132643.

Almost surely, 2^1520566480 is an apocalyptic number.

1520566480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1520566480 is an abundant number, since it is smaller than the sum of its proper divisors (2017278512).

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

1520566480 is a wasteful number, since it uses less digits than its factorization.

1520566480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13603 (or 13597 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1520566480 is about 38994.4416551898. The cubic root of 1520566480 is about 1149.9222329265.

The spelling of 1520566480 in words is "one billion, five hundred twenty million, five hundred sixty-six thousand, four hundred eighty".