481639215 has 16 divisors (see below), whose sum is σ = 782126208. Its totient is φ = 253039776.

The previous prime is 481639141. The next prime is 481639217. The reversal of 481639215 is 512936184.

It is not a de Polignac number, because 481639215 - 2¹³ = 481631023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481639217) 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, 238617 + ... + 240626.

It is an arithmetic number, because the mean of its divisors is an integer number (48882888).

Almost surely, 2^481639215 is an apocalyptic number.

481639215 is a deficient number, since it is larger than the sum of its proper divisors (300486993).

481639215 is a wasteful number, since it uses less digits than its factorization.

481639215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479318.

The product of its digits is 51840, while the sum is 39.

The square root of 481639215 is about 21946.2802087279. The cubic root of 481639215 is about 783.8638085788.

The spelling of 481639215 in words is "four hundred eighty-one million, six hundred thirty-nine thousand, two hundred fifteen".