481042639 has 12 divisors (see below), whose sum is σ = 604286032. Its totient is φ = 374837760.

The previous prime is 481042619. The next prime is 481042669. The reversal of 481042639 is 936240184.

It is not a de Polignac number, because 481042639 - 2⁵ = 481042607 is a prime.

It is a super-3 number, since 3×481042639³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 481042598 and 481042607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481042609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283122 + ... + 284815.

Almost surely, 2^481042639 is an apocalyptic number.

481042639 is a deficient number, since it is larger than the sum of its proper divisors (123243393).

481042639 is a wasteful number, since it uses less digits than its factorization.

481042639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567966 (or 567955 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 481042639 is about 21932.6842634457. The cubic root of 481042639 is about 783.5400340395.

The spelling of 481042639 in words is "four hundred eighty-one million, forty-two thousand, six hundred thirty-nine".