2294390840 has 64 divisors (see below), whose sum is σ = 5912524800. Its totient is φ = 784960128.

The previous prime is 2294390837. The next prime is 2294390863. The reversal of 2294390840 is 480934922.

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, 125567 + ... + 142673.

It is an arithmetic number, because the mean of its divisors is an integer number (92383200).

Almost surely, 2^2294390840 is an apocalyptic number.

2294390840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2294390840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2956262400).

2294390840 is an abundant number, since it is smaller than the sum of its proper divisors (3618133960).

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

2294390840 is a wasteful number, since it uses less digits than its factorization.

2294390840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17604 (or 17600 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 2294390840 is about 47899.7999995825. The cubic root of 2294390840 is about 1318.9321866248.

The spelling of 2294390840 in words is "two billion, two hundred ninety-four million, three hundred ninety thousand, eight hundred forty".