65232903240 has 48 divisors (see below), whose sum is σ = 212006936700. Its totient is φ = 17395440768.

The previous prime is 65232903187. The next prime is 65232903271. The reversal of 65232903240 is 4230923256.

It is a happy number.

65232903240 is a `hidden beast` number, since 6 + 5 + 2 + 329 + 0 + 324 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 65064786084 + 168117156 = 255078^2 + 12966^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 65232903195 and 65232903204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90600895 + ... + 90601614.

Almost surely, 2^65232903240 is an apocalyptic number.

65232903240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65232903240 is an abundant number, since it is smaller than the sum of its proper divisors (146774033460).

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

65232903240 is a wasteful number, since it uses less digits than its factorization.

65232903240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181202526 (or 181202519 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 65232903240 in words is "sixty-five billion, two hundred thirty-two million, nine hundred three thousand, two hundred forty".