63740404736 has 44 divisors (see below), whose sum is σ = 134124844080. Its totient is φ = 30192814080.

The previous prime is 63740404711. The next prime is 63740404753.

It is a happy number.

63740404736 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618610 + ... + 1657521.

Almost surely, 2^63740404736 is an apocalyptic number.

It is an amenable number.

63740404736 is an abundant number, since it is smaller than the sum of its proper divisors (70384439344).

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

63740404736 is a wasteful number, since it uses less digits than its factorization.

63740404736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276170 (or 3276152 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 44.

The spelling of 63740404736 in words is "sixty-three billion, seven hundred forty million, four hundred four thousand, seven hundred thirty-six".