2001372292640 has 96 divisors (see below), whose sum is σ = 5721570255744. Its totient is φ = 645820968960.

The previous prime is 2001372292531. The next prime is 2001372292727. The reversal of 2001372292640 is 462922731002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2001372292594 and 2001372292603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52538006 + ... + 52576085.

It is an arithmetic number, because the mean of its divisors is an integer number (59599690164).

Almost surely, 2^{2001372292640} is an apocalyptic number.

2001372292640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001372292640 is an abundant number, since it is smaller than the sum of its proper divisors (3720197963104).

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

2001372292640 is a wasteful number, since it uses less digits than its factorization.

2001372292640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105114130 (or 105114122 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 2001372292640 in words is "two trillion, one billion, three hundred seventy-two million, two hundred ninety-two thousand, six hundred forty".