34855186440 has 32 divisors (see below), whose sum is σ = 104565559680. Its totient is φ = 9294716352.

The previous prime is 34855186423. The next prime is 34855186451. The reversal of 34855186440 is 4468155843.

It is a self number, because there is not a number n which added to its sum of digits gives 34855186440.

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, 145229824 + ... + 145230063.

It is an arithmetic number, because the mean of its divisors is an integer number (3267673740).

Almost surely, 2^34855186440 is an apocalyptic number.

34855186440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34855186440 is an abundant number, since it is smaller than the sum of its proper divisors (69710373240).

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

34855186440 is a wasteful number, since it uses less digits than its factorization.

34855186440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290459901 (or 290459897 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 34855186440 in words is "thirty-four billion, eight hundred fifty-five million, one hundred eighty-six thousand, four hundred forty".