431052551240 has 64 divisors (see below), whose sum is σ = 979029504000. Its totient is φ = 170799919360.

The previous prime is 431052551197. The next prime is 431052551243. The reversal of 431052551240 is 42155250134.

It is a junction number, because it is equal to n+sod(n) for n = 431052551197 and 431052551206.

It is not an unprimeable number, because it can be changed into a prime (431052551243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707926 + ... + 1943994.

It is an arithmetic number, because the mean of its divisors is an integer number (15297336000).

Almost surely, 2^431052551240 is an apocalyptic number.

431052551240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431052551240 is an abundant number, since it is smaller than the sum of its proper divisors (547976952760).

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

431052551240 is a wasteful number, since it uses less digits than its factorization.

431052551240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236510 (or 236506 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 431052551240 in words is "four hundred thirty-one billion, fifty-two million, five hundred fifty-one thousand, two hundred forty".