190428792912 has 120 divisors (see below), whose sum is σ = 581762868960. Its totient is φ = 60135384960.

The previous prime is 190428792907. The next prime is 190428792919. The reversal of 190428792912 is 219297824091.

It is a happy number.

190428792912 is a `hidden beast` number, since 190 + 4 + 287 + 92 + 91 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190428792919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1215039 + ... + 1362782.

It is an arithmetic number, because the mean of its divisors is an integer number (4848023908).

Almost surely, 2^190428792912 is an apocalyptic number.

190428792912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190428792912 is an abundant number, since it is smaller than the sum of its proper divisors (391334076048).

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

190428792912 is a wasteful number, since it uses less digits than its factorization.

190428792912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577863 (or 2577845 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 190428792912 in words is "one hundred ninety billion, four hundred twenty-eight million, seven hundred ninety-two thousand, nine hundred twelve".