2634348840 has 64 divisors (see below), whose sum is σ = 7909695360. Its totient is φ = 701902080.

The previous prime is 2634348839. The next prime is 2634348863. The reversal of 2634348840 is 488434362.

It is a junction number, because it is equal to n+sod(n) for n = 2634348792 and 2634348801.

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, 144645 + ... + 161835.

It is an arithmetic number, because the mean of its divisors is an integer number (123588990).

Almost surely, 2^2634348840 is an apocalyptic number.

2634348840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2634348840 is an abundant number, since it is smaller than the sum of its proper divisors (5275346520).

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

2634348840 is a wasteful number, since it uses less digits than its factorization.

2634348840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18482 (or 18478 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The square root of 2634348840 is about 51325.9080776950. The cubic root of 2634348840 is about 1381.0977822334.

The spelling of 2634348840 in words is "two billion, six hundred thirty-four million, three hundred forty-eight thousand, eight hundred forty".