481752257640 has 64 divisors (see below), whose sum is σ = 1460156362560. Its totient is φ = 127142860800.

The previous prime is 481752257611. The next prime is 481752257641. The reversal of 481752257640 is 46752257184.

It is not an unprimeable number, because it can be changed into a prime (481752257641) 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, 20682186 + ... + 20705465.

It is an arithmetic number, because the mean of its divisors is an integer number (22814943165).

Almost surely, 2^481752257640 is an apocalyptic number.

481752257640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

481752257640 is an abundant number, since it is smaller than the sum of its proper divisors (978404104920).

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

481752257640 is a wasteful number, since it uses less digits than its factorization.

481752257640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41387762 (or 41387758 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 481752257640 in words is "four hundred eighty-one billion, seven hundred fifty-two million, two hundred fifty-seven thousand, six hundred forty".