190990044 has 54 divisors (see below), whose sum is σ = 561606864. Its totient is φ = 54568080.

The previous prime is 190990003. The next prime is 190990049. The reversal of 190990044 is 440099091.

190990044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 190989990 and 190990008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190990049) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 52372 + ... + 55899.

Almost surely, 2^190990044 is an apocalyptic number.

190990044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

190990044 is an abundant number, since it is smaller than the sum of its proper divisors (370616820).

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

190990044 is a wasteful number, since it uses less digits than its factorization.

190990044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108295 (or 108283 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 190990044 is about 13819.9147609528. The cubic root of 190990044 is about 575.8865155477.

The spelling of 190990044 in words is "one hundred ninety million, nine hundred ninety thousand, forty-four".