63400701444 has 24 divisors (see below), whose sum is σ = 147939277248. Its totient is φ = 21132951840.

The previous prime is 63400701443. The next prime is 63400701457. The reversal of 63400701444 is 44410700436.

It is not an unprimeable number, because it can be changed into a prime (63400701443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570174 + ... + 672234.

It is an arithmetic number, because the mean of its divisors is an integer number (6164136552).

Almost surely, 2^63400701444 is an apocalyptic number.

It is an amenable number.

63400701444 is an abundant number, since it is smaller than the sum of its proper divisors (84538575804).

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

63400701444 is a wasteful number, since it uses less digits than its factorization.

63400701444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153835 (or 153833 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The spelling of 63400701444 in words is "sixty-three billion, four hundred million, seven hundred one thousand, four hundred forty-four".