34479256920 has 64 divisors (see below), whose sum is σ = 105133494240. Its totient is φ = 9043737600.

The previous prime is 34479256919. The next prime is 34479256937. The reversal of 34479256920 is 2965297443.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2347821 + ... + 2362460.

Almost surely, 2^34479256920 is an apocalyptic number.

34479256920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34479256920 is an abundant number, since it is smaller than the sum of its proper divisors (70654237320).

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

34479256920 is a wasteful number, since it uses less digits than its factorization.

34479256920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710356 (or 4710352 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 34479256920 in words is "thirty-four billion, four hundred seventy-nine million, two hundred fifty-six thousand, nine hundred twenty".