1401872042940 has 48 divisors (see below), whose sum is σ = 3925336400160. Its totient is φ = 373823527680.

The previous prime is 1401872042939. The next prime is 1401872042969. The reversal of 1401872042940 is 492402781041.

It is a junction number, because it is equal to n+sod(n) for n = 1401872042892 and 1401872042901.

It is a congruent number.

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, 2444406 + ... + 2962914.

It is an arithmetic number, because the mean of its divisors is an integer number (81777841670).

Almost surely, 2^{1401872042940} is an apocalyptic number.

1401872042940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401872042940 is an abundant number, since it is smaller than the sum of its proper divisors (2523464357220).

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

1401872042940 is a wasteful number, since it uses less digits than its factorization.

1401872042940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563582 (or 563580 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 1401872042940 in words is "one trillion, four hundred one billion, eight hundred seventy-two million, forty-two thousand, nine hundred forty".