190940544 has 64 divisors (see below), whose sum is σ = 563550000. Its totient is φ = 63645696.

The previous prime is 190940543. The next prime is 190940569. The reversal of 190940544 is 445049091.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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 = 190940499 and 190940508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190940543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24169 + ... + 31080.

Almost surely, 2^190940544 is an apocalyptic number.

It is an amenable number.

190940544 is an abundant number, since it is smaller than the sum of its proper divisors (372609456).

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

190940544 is an equidigital number, since it uses as much as digits as its factorization.

190940544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55272 (or 55254 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 190940544 is about 13818.1237510742. The cubic root of 190940544 is about 575.8367592969.

The spelling of 190940544 in words is "one hundred ninety million, nine hundred forty thousand, five hundred forty-four".