190493776256 has 128 divisors (see below), whose sum is σ = 457165632000. Its totient is φ = 77237452800.

The previous prime is 190493776241. The next prime is 190493776261. The reversal of 190493776256 is 652677394091.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 190493776195 and 190493776204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13084181 + ... + 13098731.

It is an arithmetic number, because the mean of its divisors is an integer number (3571606500).

Almost surely, 2^190493776256 is an apocalyptic number.

190493776256 is a gapful number since it is divisible by the number (16) 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 190493776256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228582816000).

190493776256 is an abundant number, since it is smaller than the sum of its proper divisors (266671855744).

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

190493776256 is a wasteful number, since it uses less digits than its factorization.

190493776256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15360 (or 15348 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 59.

The spelling of 190493776256 in words is "one hundred ninety billion, four hundred ninety-three million, seven hundred seventy-six thousand, two hundred fifty-six".