63266425464 has 128 divisors (see below), whose sum is σ = 176359680000. Its totient is φ = 18751075200.

The previous prime is 63266425399. The next prime is 63266425471. The reversal of 63266425464 is 46452466236.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3089419 + ... + 3109829.

It is an arithmetic number, because the mean of its divisors is an integer number (1377810000).

Almost surely, 2^63266425464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63266425464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88179840000).

63266425464 is an abundant number, since it is smaller than the sum of its proper divisors (113093254536).

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

63266425464 is a wasteful number, since it uses less digits than its factorization.

63266425464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20689 (or 20685 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 48.

The spelling of 63266425464 in words is "sixty-three billion, two hundred sixty-six million, four hundred twenty-five thousand, four hundred sixty-four".