63400112240 has 20 divisors (see below), whose sum is σ = 147405261144. Its totient is φ = 25360044864.

The previous prime is 63400112231. The next prime is 63400112261. The reversal of 63400112240 is 4221100436.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396250622 + ... + 396250781.

Almost surely, 2^63400112240 is an apocalyptic number.

It is an amenable number.

63400112240 is an abundant number, since it is smaller than the sum of its proper divisors (84005148904).

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

63400112240 is a wasteful number, since it uses less digits than its factorization.

63400112240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792501416 (or 792501410 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 63400112240 its reverse (4221100436), we get a palindrome (67621212676).

The spelling of 63400112240 in words is "sixty-three billion, four hundred million, one hundred twelve thousand, two hundred forty".