394570109490 has 32 divisors (see below), whose sum is σ = 947321407296. Its totient is φ = 105179457600.

The previous prime is 394570109467. The next prime is 394570109561. The reversal of 394570109490 is 94901075493.

394570109490 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 2370561 + ... + 2531540.

It is an arithmetic number, because the mean of its divisors is an integer number (29603793978).

Almost surely, 2^394570109490 is an apocalyptic number.

394570109490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

394570109490 is an abundant number, since it is smaller than the sum of its proper divisors (552751297806).

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

394570109490 is a wasteful number, since it uses less digits than its factorization.

394570109490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904794.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 394570109490 in words is "three hundred ninety-four billion, five hundred seventy million, one hundred nine thousand, four hundred ninety".