63265796748 has 144 divisors (see below), whose sum is σ = 199738506240. Its totient is φ = 16403385600.

The previous prime is 63265796747. The next prime is 63265796777. The reversal of 63265796748 is 84769756236.

It is a super-2 number, since 2×63265796748² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (63265796747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1557213 + ... + 1597323.

It is an arithmetic number, because the mean of its divisors is an integer number (1387072960).

Almost surely, 2^63265796748 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 63265796748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99869253120).

63265796748 is an abundant number, since it is smaller than the sum of its proper divisors (136472709492).

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

63265796748 is a wasteful number, since it uses less digits than its factorization.

63265796748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40708 (or 40703 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 63265796748 in words is "sixty-three billion, two hundred sixty-five million, seven hundred ninety-six thousand, seven hundred forty-eight".