7876951440 has 40 divisors (see below), whose sum is σ = 24418550208. Its totient is φ = 2100520320.

The previous prime is 7876951399. The next prime is 7876951441. The reversal of 7876951440 is 441596787.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (7876951441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16410076 + ... + 16410555.

Almost surely, 2^7876951440 is an apocalyptic number.

It is an amenable number.

7876951440 is an abundant number, since it is smaller than the sum of its proper divisors (16541598768).

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

7876951440 is a wasteful number, since it uses less digits than its factorization.

7876951440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32820647 (or 32820641 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The square root of 7876951440 is about 88752.1911842181. The cubic root of 7876951440 is about 1989.6929267017.

The spelling of 7876951440 in words is "seven billion, eight hundred seventy-six million, nine hundred fifty-one thousand, four hundred forty".