190464256742 has 8 divisors (see below), whose sum is σ = 294912397632. Its totient is φ = 92160124200.

The previous prime is 190464256729. The next prime is 190464256769. The reversal of 190464256742 is 247652464091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536002009 + ... + 1536002132.

It is an arithmetic number, because the mean of its divisors is an integer number (36864049704).

Almost surely, 2^190464256742 is an apocalyptic number.

190464256742 is a deficient number, since it is larger than the sum of its proper divisors (104448140890).

190464256742 is a wasteful number, since it uses less digits than its factorization.

190464256742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072004174.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 190464256742 in words is "one hundred ninety billion, four hundred sixty-four million, two hundred fifty-six thousand, seven hundred forty-two".