190253940 has 48 divisors (see below), whose sum is σ = 545711040. Its totient is φ = 49496320.

The previous prime is 190253893. The next prime is 190253951. The reversal of 190253940 is 49352091.

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, 36210 + ... + 41129.

It is an arithmetic number, because the mean of its divisors is an integer number (11368980).

Almost surely, 2^190253940 is an apocalyptic number.

190253940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190253940 is an abundant number, since it is smaller than the sum of its proper divisors (355457100).

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

190253940 is a wasteful number, since it uses less digits than its factorization.

190253940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77392 (or 77390 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 190253940 is about 13793.2570482827. The cubic root of 190253940 is about 575.1457122839.

The spelling of 190253940 in words is "one hundred ninety million, two hundred fifty-three thousand, nine hundred forty".