483931988640 has 72 divisors (see below), whose sum is σ = 1651417916148. Its totient is φ = 129048529920.

The previous prime is 483931988623. The next prime is 483931988647. The reversal of 483931988640 is 46889139384.

483931988640 is a `hidden beast` number, since 48 + 393 + 1 + 98 + 86 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 483130645776 + 801342864 = 695076^2 + 28308^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (483931988647) 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, 168030501 + ... + 168033380.

Almost surely, 2^483931988640 is an apocalyptic number.

483931988640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

483931988640 is an abundant number, since it is smaller than the sum of its proper divisors (1167485927508).

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

483931988640 is a wasteful number, since it uses less digits than its factorization.

483931988640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336063902 (or 336063891 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 483931988640 in words is "four hundred eighty-three billion, nine hundred thirty-one million, nine hundred eighty-eight thousand, six hundred forty".