431426433552 has 160 divisors (see below), whose sum is σ = 1170965624832. Its totient is φ = 136614331392.

The previous prime is 431426433491. The next prime is 431426433569. The reversal of 431426433552 is 255334624134.

It is a super-2 number, since 2×431426433552² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114525973 + ... + 114529739.

Almost surely, 2^431426433552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431426433552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585482812416).

431426433552 is an abundant number, since it is smaller than the sum of its proper divisors (739539191280).

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

431426433552 is a wasteful number, since it uses less digits than its factorization.

431426433552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485 (or 4479 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 42.

The spelling of 431426433552 in words is "four hundred thirty-one billion, four hundred twenty-six million, four hundred thirty-three thousand, five hundred fifty-two".