63040019872 has 48 divisors (see below), whose sum is σ = 124651307592. Its totient is φ = 31382794240.

The previous prime is 63040019849. The next prime is 63040019923. The reversal of 63040019872 is 27891004036.

It can be written as a sum of positive squares in 4 ways, for example, as 51019967376 + 12020052496 = 225876^2 + 109636^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9663972 + ... + 9670492.

Almost surely, 2^63040019872 is an apocalyptic number.

It is an amenable number.

63040019872 is a deficient number, since it is larger than the sum of its proper divisors (61611287720).

63040019872 is a wasteful number, since it uses less digits than its factorization.

63040019872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7801 (or 7793 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 63040019872 in words is "sixty-three billion, forty million, nineteen thousand, eight hundred seventy-two".