240021432315 has 48 divisors (see below), whose sum is σ = 475527019968. Its totient is φ = 109711162368.

The previous prime is 240021432293. The next prime is 240021432323. The reversal of 240021432315 is 513234120042.

240021432315 is a `hidden beast` number, since 2 + 400 + 21 + 4 + 3 + 231 + 5 = 666.

It is not a de Polignac number, because 240021432315 - 2⁷ = 240021432187 is a prime.

It is a super-2 number, since 2×240021432315² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2951439 + ... + 3031671.

It is an arithmetic number, because the mean of its divisors is an integer number (9906812916).

Almost surely, 2^240021432315 is an apocalyptic number.

240021432315 is a deficient number, since it is larger than the sum of its proper divisors (235505587653).

240021432315 is a wasteful number, since it uses less digits than its factorization.

240021432315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89748 (or 89745 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 240021432315 its reverse (513234120042), we get a palindrome (753255552357).

The spelling of 240021432315 in words is "two hundred forty billion, twenty-one million, four hundred thirty-two thousand, three hundred fifteen".