400342034142524 has 24 divisors (see below), whose sum is σ = 714013991627328. Its totient is φ = 196340116864320.

The previous prime is 400342034142521. The next prime is 400342034142553. The reversal of 400342034142524 is 425241430243004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400342034142521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259269587 + ... + 260809130.

It is an arithmetic number, because the mean of its divisors is an integer number (29750582984472).

Almost surely, 2^{400342034142524} is an apocalyptic number.

It is an amenable number.

400342034142524 is a deficient number, since it is larger than the sum of its proper divisors (313671957484804).

400342034142524 is a wasteful number, since it uses less digits than its factorization.

400342034142524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520082405 (or 520082403 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 400342034142524 its reverse (425241430243004), we get a palindrome (825583464385528).

The spelling of 400342034142524 in words is "four hundred trillion, three hundred forty-two billion, thirty-four million, one hundred forty-two thousand, five hundred twenty-four".