2293134640 has 40 divisors (see below), whose sum is σ = 5335002288. Its totient is φ = 916657920.

The previous prime is 2293134601. The next prime is 2293134673. The reversal of 2293134640 is 464313922.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2293134596 and 2293134605.

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, 126975 + ... + 143905.

Almost surely, 2^2293134640 is an apocalyptic number.

2293134640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2293134640 is an abundant number, since it is smaller than the sum of its proper divisors (3041867648).

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

2293134640 is a wasteful number, since it uses less digits than its factorization.

2293134640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18637 (or 18631 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 2293134640 is about 47886.6854146327. The cubic root of 2293134640 is about 1318.6914335303.

The spelling of 2293134640 in words is "two billion, two hundred ninety-three million, one hundred thirty-four thousand, six hundred forty".