2391161140260 has 72 divisors (see below), whose sum is σ = 7258160931840. Its totient is φ = 637205859648.

The previous prime is 2391161140223. The next prime is 2391161140309. The reversal of 2391161140260 is 620411611932.

It is a happy number.

2391161140260 is a `hidden beast` number, since 2 + 3 + 9 + 11 + 611 + 4 + 0 + 26 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4289892 + ... + 4815131.

It is an arithmetic number, because the mean of its divisors is an integer number (100807790720).

Almost surely, 2^{2391161140260} is an apocalyptic number.

2391161140260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2391161140260 is an abundant number, since it is smaller than the sum of its proper divisors (4866999791580).

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

2391161140260 is a wasteful number, since it uses less digits than its factorization.

2391161140260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106497 (or 9106492 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 2391161140260 in words is "two trillion, three hundred ninety-one billion, one hundred sixty-one million, one hundred forty thousand, two hundred sixty".