7912075440 has 160 divisors (see below), whose sum is σ = 26420023296. Its totient is φ = 1953008640.

The previous prime is 7912075433. The next prime is 7912075441. The reversal of 7912075440 is 445702197.

It is not an unprimeable number, because it can be changed into a prime (7912075441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148002 + ... + 194238.

Almost surely, 2^7912075440 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 7912075440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13210011648).

7912075440 is an abundant number, since it is smaller than the sum of its proper divisors (18507947856).

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

7912075440 is a wasteful number, since it uses less digits than its factorization.

7912075440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46307 (or 46301 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 7912075440 is about 88949.8478919441. The cubic root of 7912075440 is about 1992.6459454175.

The spelling of 7912075440 in words is "seven billion, nine hundred twelve million, seventy-five thousand, four hundred forty".