34394987904 has 64 divisors (see below), whose sum is σ = 93590063280. Its totient is φ = 11185356800.

The previous prime is 34394987881. The next prime is 34394987917. The reversal of 34394987904 is 40978949343.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 1076577 + ... + 1108064.

Almost surely, 2^34394987904 is an apocalyptic number.

It is an amenable number.

34394987904 is an abundant number, since it is smaller than the sum of its proper divisors (59195075376).

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

34394987904 is a wasteful number, since it uses less digits than its factorization.

34394987904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184699 (or 2184687 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 34394987904 in words is "thirty-four billion, three hundred ninety-four million, nine hundred eighty-seven thousand, nine hundred four".