34845687390 has 32 divisors (see below), whose sum is σ = 83681613216. Its totient is φ = 9286409600.

The previous prime is 34845687367. The next prime is 34845687403. The reversal of 34845687390 is 9378654843.

It is a self number, because there is not a number n which added to its sum of digits gives 34845687390.

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, 311661 + ... + 408440.

It is an arithmetic number, because the mean of its divisors is an integer number (2615050413).

Almost surely, 2^34845687390 is an apocalyptic number.

34845687390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34845687390 is an abundant number, since it is smaller than the sum of its proper divisors (48835925826).

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

34845687390 is a wasteful number, since it uses less digits than its factorization.

34845687390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721724.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 34845687390 in words is "thirty-four billion, eight hundred forty-five million, six hundred eighty-seven thousand, three hundred ninety".