2172413582640 has 160 divisors (see below), whose sum is σ = 8551723368960. Its totient is φ = 496551672576.

The previous prime is 2172413582579. The next prime is 2172413582659. The reversal of 2172413582640 is 462853142712.

2172413582640 is a `hidden beast` number, since 2 + 1 + 7 + 2 + 4 + 1 + 3 + 582 + 64 + 0 = 666.

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

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 71823954 + ... + 71854193.

It is an arithmetic number, because the mean of its divisors is an integer number (53448271056).

Almost surely, 2^{2172413582640} is an apocalyptic number.

2172413582640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2172413582640 is an abundant number, since it is smaller than the sum of its proper divisors (6379309786320).

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

2172413582640 is a wasteful number, since it uses less digits than its factorization.

2172413582640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143678176 (or 143678164 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 2172413582640 in words is "two trillion, one hundred seventy-two billion, four hundred thirteen million, five hundred eighty-two thousand, six hundred forty".