190088500040 has 32 divisors (see below), whose sum is σ = 428334697080. Its totient is φ = 75922409472.

The previous prime is 190088500009. The next prime is 190088500051. The reversal of 190088500040 is 40005880091.

It can be written as a sum of positive squares in 4 ways, for example, as 154186587556 + 35901912484 = 392666^2 + 189478^2 .

It is a super-2 number, since 2×190088500040² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3503699 + ... + 3557538.

Almost surely, 2^190088500040 is an apocalyptic number.

190088500040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190088500040 is an abundant number, since it is smaller than the sum of its proper divisors (238246197040).

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

190088500040 is a wasteful number, since it uses less digits than its factorization.

190088500040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061921 (or 7061917 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 190088500040 in words is "one hundred ninety billion, eighty-eight million, five hundred thousand, forty".