2031877025640 has 192 divisors, whose sum is σ = 8233060268160. Its totient is φ = 422208207360.

The previous prime is 2031877025617. The next prime is 2031877025641. The reversal of 2031877025640 is 465207781302.

2031877025640 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 87 + 7 + 0 + 2 + 564 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2031877025641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36622299 + ... + 36677738.

It is an arithmetic number, because the mean of its divisors is an integer number (42880522230).

Almost surely, 2^{2031877025640} is an apocalyptic number.

2031877025640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031877025640 is an abundant number, since it is smaller than the sum of its proper divisors (6201183242520).

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

2031877025640 is a wasteful number, since it uses less digits than its factorization.

2031877025640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73300072 (or 73300065 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 2031877025640 in words is "two trillion, thirty-one billion, eight hundred seventy-seven million, twenty-five thousand, six hundred forty".