232402631540 has 12 divisors (see below), whose sum is σ = 488045526276. Its totient is φ = 92961052608.

The previous prime is 232402631521. The next prime is 232402631557. The reversal of 232402631540 is 45136204232.

It can be written as a sum of positive squares in 2 ways, for example, as 118162687504 + 114239944036 = 343748^2 + 337994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 232402631497 and 232402631506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5810065769 + ... + 5810065808.

It is an arithmetic number, because the mean of its divisors is an integer number (40670460523).

Almost surely, 2^232402631540 is an apocalyptic number.

232402631540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232402631540 is an abundant number, since it is smaller than the sum of its proper divisors (255642894736).

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

232402631540 is a wasteful number, since it uses less digits than its factorization.

232402631540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11620131586 (or 11620131584 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 232402631540 its reverse (45136204232), we get a palindrome (277538835772).

The spelling of 232402631540 in words is "two hundred thirty-two billion, four hundred two million, six hundred thirty-one thousand, five hundred forty".