194256940 has 24 divisors (see below), whose sum is σ = 414629712. Its totient is φ = 76428480.

The previous prime is 194256911. The next prime is 194256941. The reversal of 194256940 is 49652491.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 194256893 and 194256902.

It is not an unprimeable number, because it can be changed into a prime (194256941) 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, 78394 + ... + 80833.

It is an arithmetic number, because the mean of its divisors is an integer number (17276238).

Almost surely, 2^194256940 is an apocalyptic number.

194256940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194256940 is an abundant number, since it is smaller than the sum of its proper divisors (220372772).

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

194256940 is a wasteful number, since it uses less digits than its factorization.

194256940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159297 (or 159295 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 194256940 is about 13937.6088336558. The cubic root of 194256940 is about 579.1514941306.

The spelling of 194256940 in words is "one hundred ninety-four million, two hundred fifty-six thousand, nine hundred forty".