312532140400 has 30 divisors (see below), whose sum is σ = 750858468272. Its totient is φ = 125012856000.

The previous prime is 312532140383. The next prime is 312532140421. The reversal of 312532140400 is 4041235213.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 390664776 + ... + 390665575.

Almost surely, 2^312532140400 is an apocalyptic number.

It is an amenable number.

312532140400 is an abundant number, since it is smaller than the sum of its proper divisors (438326327872).

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

312532140400 is a wasteful number, since it uses less digits than its factorization.

312532140400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781330369 (or 781330358 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 312532140400 its reverse (4041235213), we get a palindrome (316573375613).

The spelling of 312532140400 in words is "three hundred twelve billion, five hundred thirty-two million, one hundred forty thousand, four hundred".