349604903640 has 32 divisors (see below), whose sum is σ = 1048814711280. Its totient is φ = 93227974272.

The previous prime is 349604903591. The next prime is 349604903651. The reversal of 349604903640 is 46309406943.

It is a self number, because there is not a number n which added to its sum of digits gives 349604903640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1456686979 + ... + 1456687218.

Almost surely, 2^349604903640 is an apocalyptic number.

349604903640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

349604903640 is an abundant number, since it is smaller than the sum of its proper divisors (699209807640).

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

349604903640 is a wasteful number, since it uses less digits than its factorization.

349604903640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913374211 (or 2913374207 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 48.

The spelling of 349604903640 in words is "three hundred forty-nine billion, six hundred four million, nine hundred three thousand, six hundred forty".