481265143884438 has 16 divisors (see below), whose sum is σ = 964609186884096. Its totient is φ = 160075231442280.

The previous prime is 481265143884433. The next prime is 481265143884461. The reversal of 481265143884438 is 834488341562184.

It is a super-2 number, since 2×481265143884438² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481265143884433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86620793458 + ... + 86620799013.

It is an arithmetic number, because the mean of its divisors is an integer number (60288074180256).

Almost surely, 2^{481265143884438} is an apocalyptic number.

481265143884438 is an abundant number, since it is smaller than the sum of its proper divisors (483344042999658).

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

481265143884438 is a wasteful number, since it uses less digits than its factorization.

481265143884438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173241592939.

The product of its digits is 566231040, while the sum is 69.

The spelling of 481265143884438 in words is "four hundred eighty-one trillion, two hundred sixty-five billion, one hundred forty-three million, eight hundred eighty-four thousand, four hundred thirty-eight".