188751420040 has 32 divisors (see below), whose sum is σ = 443155510080. Its totient is φ = 72217934272.

The previous prime is 188751420007. The next prime is 188751420071. The reversal of 188751420040 is 40024157881.

188751420040 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 188751419975 and 188751420002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102581374 + ... + 102583213.

It is an arithmetic number, because the mean of its divisors is an integer number (13848609690).

Almost surely, 2^188751420040 is an apocalyptic number.

188751420040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188751420040 is an abundant number, since it is smaller than the sum of its proper divisors (254404090040).

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

188751420040 is a wasteful number, since it uses less digits than its factorization.

188751420040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205164621 (or 205164617 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The spelling of 188751420040 in words is "one hundred eighty-eight billion, seven hundred fifty-one million, four hundred twenty thousand, forty".