2346992640 has 396 divisors, whose sum is σ = 8561610252. Its totient is φ = 594247680.

The previous prime is 2346992623. The next prime is 2346992663. The reversal of 2346992640 is 462996432.

It can be written as a sum of positive squares in 2 ways, for example, as 1275346944 + 1071645696 = 35712^2 + 32736^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 44282854 + ... + 44282906.

Almost surely, 2^2346992640 is an apocalyptic number.

2346992640 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 2346992640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4280805126).

2346992640 is an abundant number, since it is smaller than the sum of its proper divisors (6214617612).

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

2346992640 is a wasteful number, since it uses less digits than its factorization.

2346992640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 2346992640 is about 48445.7700939927. The cubic root of 2346992640 is about 1328.9355192606.

The spelling of 2346992640 in words is "two billion, three hundred forty-six million, nine hundred ninety-two thousand, six hundred forty".