7919400264 has 64 divisors (see below), whose sum is σ = 20329323840. Its totient is φ = 2569328640.

The previous prime is 7919400221. The next prime is 7919400271. The reversal of 7919400264 is 4620049197.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416779 + ... + 435365.

It is an arithmetic number, because the mean of its divisors is an integer number (317645685).

Almost surely, 2^7919400264 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 7919400264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10164661920).

7919400264 is an abundant number, since it is smaller than the sum of its proper divisors (12409923576).

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

7919400264 is a wasteful number, since it uses less digits than its factorization.

7919400264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19070 (or 19066 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 7919400264 is about 88991.0122652844. The cubic root of 7919400264 is about 1993.2606715670.

The spelling of 7919400264 in words is "seven billion, nine hundred nineteen million, four hundred thousand, two hundred sixty-four".