34034399920 has 40 divisors (see below), whose sum is σ = 79342194096. Its totient is φ = 13577250048.

The previous prime is 34034399887. The next prime is 34034399921. The reversal of 34034399920 is 2999343043.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (34034399921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540442 + ... + 600121.

Almost surely, 2^34034399920 is an apocalyptic number.

It is an amenable number.

34034399920 is an abundant number, since it is smaller than the sum of its proper divisors (45307794176).

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

34034399920 is a wasteful number, since it uses less digits than its factorization.

34034399920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140949 (or 1140943 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 34034399920 in words is "thirty-four billion, thirty-four million, three hundred ninety-nine thousand, nine hundred twenty".