194879040 has 56 divisors (see below), whose sum is σ = 618744000. Its totient is φ = 51967488.

The previous prime is 194879033. The next prime is 194879057. The reversal of 194879040 is 40978491.

194879040 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 194878983 and 194879001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100540 + ... + 102459.

It is an arithmetic number, because the mean of its divisors is an integer number (11049000).

Almost surely, 2^194879040 is an apocalyptic number.

194879040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194879040 is an abundant number, since it is smaller than the sum of its proper divisors (423864960).

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

194879040 is a wasteful number, since it uses less digits than its factorization.

194879040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203019 (or 203009 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 194879040 is about 13959.9083091545. The cubic root of 194879040 is about 579.7690717616.

The spelling of 194879040 in words is "one hundred ninety-four million, eight hundred seventy-nine thousand, forty".