2915944140 has 48 divisors (see below), whose sum is σ = 8519632128. Its totient is φ = 743776704.

The previous prime is 2915944133. The next prime is 2915944147. The reversal of 2915944140 is 414495192.

It is an interprime number because it is at equal distance from previous prime (2915944133) and next prime (2915944147).

It is not an unprimeable number, because it can be changed into a prime (2915944147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1055122 + ... + 1057881.

It is an arithmetic number, because the mean of its divisors is an integer number (177492336).

Almost surely, 2^2915944140 is an apocalyptic number.

2915944140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2915944140 is an abundant number, since it is smaller than the sum of its proper divisors (5603687988).

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

2915944140 is a wasteful number, since it uses less digits than its factorization.

2915944140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113038 (or 2113036 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 2915944140 is about 53999.4827753007. The cubic root of 2915944140 is about 1428.6518240565.

The spelling of 2915944140 in words is "two billion, nine hundred fifteen million, nine hundred forty-four thousand, one hundred forty".