531226790416 has 40 divisors (see below), whose sum is σ = 1177388521280. Its totient is φ = 227455599744.

The previous prime is 531226790371. The next prime is 531226790453. The reversal of 531226790416 is 614097622135.

It is a happy number.

It is a super-3 number, since 3×531226790416³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2098746 + ... + 2338201.

It is an arithmetic number, because the mean of its divisors is an integer number (29434713032).

Almost surely, 2^531226790416 is an apocalyptic number.

531226790416 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

531226790416 is an abundant number, since it is smaller than the sum of its proper divisors (646161730864).

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

531226790416 is a wasteful number, since it uses less digits than its factorization.

531226790416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438031 (or 4438025 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 531226790416 in words is "five hundred thirty-one billion, two hundred twenty-six million, seven hundred ninety thousand, four hundred sixteen".