349804862172 has 48 divisors (see below), whose sum is σ = 936156390400. Its totient is φ = 112840277040.

The previous prime is 349804862107. The next prime is 349804862191. The reversal of 349804862172 is 271268408943.

349804862172 is a `hidden beast` number, since 3 + 4 + 9 + 8 + 0 + 4 + 8 + 621 + 7 + 2 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 52237522 + ... + 52244217.

Almost surely, 2^349804862172 is an apocalyptic number.

It is an amenable number.

349804862172 is an abundant number, since it is smaller than the sum of its proper divisors (586351528228).

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

349804862172 is a wasteful number, since it uses less digits than its factorization.

349804862172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104481783 (or 104481775 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 349804862172 in words is "three hundred forty-nine billion, eight hundred four million, eight hundred sixty-two thousand, one hundred seventy-two".