531623701400 has 96 divisors (see below), whose sum is σ = 1348565226480. Its totient is φ = 193292736000.

The previous prime is 531623701397. The next prime is 531623701403. The reversal of 531623701400 is 4107326135.

It is an interprime number because it is at equal distance from previous prime (531623701397) and next prime (531623701403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531623701403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31224890 + ... + 31241910.

Almost surely, 2^531623701400 is an apocalyptic number.

531623701400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

531623701400 is an abundant number, since it is smaller than the sum of its proper divisors (816941525080).

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

531623701400 is a wasteful number, since it uses less digits than its factorization.

531623701400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31245 (or 31236 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 531623701400 in words is "five hundred thirty-one billion, six hundred twenty-three million, seven hundred one thousand, four hundred".