240132421340 has 72 divisors (see below), whose sum is σ = 605532154752. Its totient is φ = 79675263360.

The previous prime is 240132421339. The next prime is 240132421363. The reversal of 240132421340 is 43124231042.

It is a super-2 number, since 2×240132421340² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3921767 + ... + 3982526.

It is an arithmetic number, because the mean of its divisors is an integer number (8410168816).

Almost surely, 2^240132421340 is an apocalyptic number.

240132421340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240132421340 is an abundant number, since it is smaller than the sum of its proper divisors (365399733412).

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

240132421340 is a wasteful number, since it uses less digits than its factorization.

240132421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7904347 (or 7904338 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 240132421340 its reverse (43124231042), we get a palindrome (283256652382).

The spelling of 240132421340 in words is "two hundred forty billion, one hundred thirty-two million, four hundred twenty-one thousand, three hundred forty".