34687817440 has 24 divisors (see below), whose sum is σ = 81949969080. Its totient is φ = 13875126912.

The previous prime is 34687817401. The next prime is 34687817441. The reversal of 34687817440 is 4471878643.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34687817441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108399270 + ... + 108399589.

It is an arithmetic number, because the mean of its divisors is an integer number (3414582045).

Almost surely, 2^34687817440 is an apocalyptic number.

It is an amenable number.

34687817440 is an abundant number, since it is smaller than the sum of its proper divisors (47262151640).

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

34687817440 is a wasteful number, since it uses less digits than its factorization.

34687817440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216798874 (or 216798866 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 52.

The spelling of 34687817440 in words is "thirty-four billion, six hundred eighty-seven million, eight hundred seventeen thousand, four hundred forty".