45262640768 has 64 divisors (see below), whose sum is σ = 92589920640. Its totient is φ = 22027008000.

The previous prime is 45262640749. The next prime is 45262640791. The reversal of 45262640768 is 86704626254.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2251883 + ... + 2271893.

It is an arithmetic number, because the mean of its divisors is an integer number (1446717510).

Almost surely, 2^45262640768 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 45262640768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46294960320).

45262640768 is an abundant number, since it is smaller than the sum of its proper divisors (47327279872).

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

45262640768 is a wasteful number, since it uses less digits than its factorization.

45262640768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20497 (or 20485 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

It can be divided in two parts, 452626 and 40768, that added together give a palindrome (493394).

The spelling of 45262640768 in words is "forty-five billion, two hundred sixty-two million, six hundred forty thousand, seven hundred sixty-eight".