2915191358640 has 160 divisors (see below), whose sum is σ = 10954052467200. Its totient is φ = 706713050880.

The previous prime is 2915191358543. The next prime is 2915191358647. The reversal of 2915191358640 is 468531915192.

2915191358640 is a `hidden beast` number, since 2 + 9 + 1 + 5 + 1 + 9 + 13 + 586 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2915191358647) 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, 61322860 + ... + 61370379.

It is an arithmetic number, because the mean of its divisors is an integer number (68462827920).

Almost surely, 2^{2915191358640} is an apocalyptic number.

2915191358640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2915191358640 is an abundant number, since it is smaller than the sum of its proper divisors (8038861108560).

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

2915191358640 is a wasteful number, since it uses less digits than its factorization.

2915191358640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122693272 (or 122693260 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 2915191358640 in words is "two trillion, nine hundred fifteen billion, one hundred ninety-one million, three hundred fifty-eight thousand, six hundred forty".