290848430394 has 48 divisors (see below), whose sum is σ = 664342579680. Its totient is φ = 91707850080.

The previous prime is 290848430381. The next prime is 290848430401. The reversal of 290848430394 is 493034848092.

290848430394 is a `hidden beast` number, since 290 + 8 + 48 + 4 + 303 + 9 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 290848430394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 417232 + ... + 869355.

It is an arithmetic number, because the mean of its divisors is an integer number (13840470410).

Almost surely, 2^290848430394 is an apocalyptic number.

290848430394 is an abundant number, since it is smaller than the sum of its proper divisors (373494149286).

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

290848430394 is a wasteful number, since it uses less digits than its factorization.

290848430394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287275 (or 1287272 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 290848430394 in words is "two hundred ninety billion, eight hundred forty-eight million, four hundred thirty thousand, three hundred ninety-four".