190907275440 has 320 divisors, whose sum is σ = 702433898496. Its totient is φ = 41983958016.

The previous prime is 190907275439. The next prime is 190907275453. The reversal of 190907275440 is 44572709091.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 190907275440.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4820359 + ... + 4859801.

Almost surely, 2^190907275440 is an apocalyptic number.

190907275440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190907275440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351216949248).

190907275440 is an abundant number, since it is smaller than the sum of its proper divisors (511526623056).

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

190907275440 is a wasteful number, since it uses less digits than its factorization.

190907275440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39576 (or 39570 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 190907275440 in words is "one hundred ninety billion, nine hundred seven million, two hundred seventy-five thousand, four hundred forty".