2372180205840 has 40 divisors (see below), whose sum is σ = 7353758638848. Its totient is φ = 632581388160.

The previous prime is 2372180205827. The next prime is 2372180205859. The reversal of 2372180205840 is 485020812732.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2372180205792 and 2372180205801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4942041856 + ... + 4942042335.

Almost surely, 2^{2372180205840} is an apocalyptic number.

2372180205840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2372180205840 is an abundant number, since it is smaller than the sum of its proper divisors (4981578433008).

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

2372180205840 is a wasteful number, since it uses less digits than its factorization.

2372180205840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9884084207 (or 9884084201 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 2372180205840 in words is "two trillion, three hundred seventy-two billion, one hundred eighty million, two hundred five thousand, eight hundred forty".