34885785440 has 96 divisors (see below), whose sum is σ = 93819430656. Its totient is φ = 12134172160.

The previous prime is 34885785439. The next prime is 34885785499. The reversal of 34885785440 is 4458758843.

34885785440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390422 + ... + 471381.

It is an arithmetic number, because the mean of its divisors is an integer number (977285736).

Almost surely, 2^34885785440 is an apocalyptic number.

It is an amenable number.

34885785440 is an abundant number, since it is smaller than the sum of its proper divisors (58933645216).

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

34885785440 is a wasteful number, since it uses less digits than its factorization.

34885785440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861852 (or 861844 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 56.

The spelling of 34885785440 in words is "thirty-four billion, eight hundred eighty-five million, seven hundred eighty-five thousand, four hundred forty".