240421132120 has 32 divisors (see below), whose sum is σ = 582558898320. Its totient is φ = 88770879360.

The previous prime is 240421132111. The next prime is 240421132177. The reversal of 240421132120 is 21231124042.

It is a junction number, because it is equal to n+sod(n) for n = 240421132091 and 240421132100.

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, 231173646 + ... + 231174685.

Almost surely, 2^240421132120 is an apocalyptic number.

240421132120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240421132120 is an abundant number, since it is smaller than the sum of its proper divisors (342137766200).

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

240421132120 is a wasteful number, since it uses less digits than its factorization.

240421132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462348355 (or 462348351 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 240421132120 its reverse (21231124042), we get a palindrome (261652256162).

The spelling of 240421132120 in words is "two hundred forty billion, four hundred twenty-one million, one hundred thirty-two thousand, one hundred twenty".