190125648840 has 64 divisors (see below), whose sum is σ = 578410450560. Its totient is φ = 49986083840.

The previous prime is 190125648799. The next prime is 190125648847. The reversal of 190125648840 is 48846521091.

It is a super-2 number, since 2×190125648840² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190125648840.

It is not an unprimeable number, because it can be changed into a prime (190125648847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11149089 + ... + 11166128.

It is an arithmetic number, because the mean of its divisors is an integer number (9037663290).

Almost surely, 2^190125648840 is an apocalyptic number.

190125648840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190125648840 is an abundant number, since it is smaller than the sum of its proper divisors (388284801720).

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

190125648840 is a wasteful number, since it uses less digits than its factorization.

190125648840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22315302 (or 22315298 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 190125648840 in words is "one hundred ninety billion, one hundred twenty-five million, six hundred forty-eight thousand, eight hundred forty".