3240520500 has 96 divisors (see below), whose sum is σ = 10784487168. Its totient is φ = 740688000.

The previous prime is 3240520499. The next prime is 3240520529. The reversal of 3240520500 is 50250423.

It is a super-2 number, since 2×3240520500² = 21001946221840500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143811 + ... + 164810.

It is an arithmetic number, because the mean of its divisors is an integer number (112338408).

Almost surely, 2^3240520500 is an apocalyptic number.

3240520500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3240520500 is an abundant number, since it is smaller than the sum of its proper divisors (7543966668).

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

3240520500 is a wasteful number, since it uses less digits than its factorization.

3240520500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308650 (or 308638 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 3240520500 is about 56925.5698258700. The cubic root of 3240520500 is about 1479.8064788360.

Adding to 3240520500 its reverse (50250423), we get a palindrome (3290770923).

The spelling of 3240520500 in words is "three billion, two hundred forty million, five hundred twenty thousand, five hundred".