188763466040 has 32 divisors (see below), whose sum is σ = 425049984000. Its totient is φ = 75446331264.

The previous prime is 188763466039. The next prime is 188763466127. The reversal of 188763466040 is 40664367881.

It is a super-2 number, since 2×188763466040² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1793675 + ... + 1895994.

It is an arithmetic number, because the mean of its divisors is an integer number (13282812000).

Almost surely, 2^188763466040 is an apocalyptic number.

188763466040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188763466040 is an abundant number, since it is smaller than the sum of its proper divisors (236286517960).

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

188763466040 is a wasteful number, since it uses less digits than its factorization.

188763466040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690959 (or 3690955 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 188763466040 in words is "one hundred eighty-eight billion, seven hundred sixty-three million, four hundred sixty-six thousand, forty".