34491157900 has 72 divisors (see below), whose sum is σ = 79670682000. Its totient is φ = 12923412480.

The previous prime is 34491157871. The next prime is 34491158011. The reversal of 34491157900 is 975119443.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67116 + ... + 271084.

It is an arithmetic number, because the mean of its divisors is an integer number (1106537250).

Almost surely, 2^34491157900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34491157900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39835341000).

34491157900 is an abundant number, since it is smaller than the sum of its proper divisors (45179524100).

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

34491157900 is a wasteful number, since it uses less digits than its factorization.

34491157900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204091 (or 204084 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 34491157900 in words is "thirty-four billion, four hundred ninety-one million, one hundred fifty-seven thousand, nine hundred".