186042406040 has 32 divisors (see below), whose sum is σ = 419271714000. Its totient is φ = 74296731264.

The previous prime is 186042406037. The next prime is 186042406061. The reversal of 186042406040 is 40604240681.

It is a super-2 number, since 2×186042406040² (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, 3732155 + ... + 3781674.

Almost surely, 2^186042406040 is an apocalyptic number.

186042406040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

186042406040 is an abundant number, since it is smaller than the sum of its proper divisors (233229307960).

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

186042406040 is a wasteful number, since it uses less digits than its factorization.

186042406040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7514459 (or 7514455 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 186042406040 in words is "one hundred eighty-six billion, forty-two million, four hundred six thousand, forty".