7915910940 has 144 divisors (see below), whose sum is σ = 29056128192. Its totient is φ = 1702914048.

The previous prime is 7915910911. The next prime is 7915910941. The reversal of 7915910940 is 490195197.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7915910941) 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, 163359 + ... + 206198.

It is an arithmetic number, because the mean of its divisors is an integer number (201778668).

Almost surely, 2^7915910940 is an apocalyptic number.

7915910940 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7915910940 is an abundant number, since it is smaller than the sum of its proper divisors (21140217252).

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

7915910940 is a wasteful number, since it uses less digits than its factorization.

7915910940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369596 (or 369591 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The square root of 7915910940 is about 88971.4051816650. The cubic root of 7915910940 is about 1992.9678819699.

The spelling of 7915910940 in words is "seven billion, nine hundred fifteen million, nine hundred ten thousand, nine hundred forty".