2153922390 has 48 divisors (see below), whose sum is σ = 5605984800. Its totient is φ = 573785856.

The previous prime is 2153922371. The next prime is 2153922391. The reversal of 2153922390 is 932293512.

2153922390 is a `hidden beast` number, since 215 + 39 + 22 + 390 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153922391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78951 + ... + 102669.

It is an arithmetic number, because the mean of its divisors is an integer number (116791350).

Almost surely, 2^2153922390 is an apocalyptic number.

2153922390 is an abundant number, since it is smaller than the sum of its proper divisors (3452062410).

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

2153922390 is a wasteful number, since it uses less digits than its factorization.

2153922390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24741 (or 24738 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 2153922390 is about 46410.3694232227. The cubic root of 2153922390 is about 1291.4472849660.

The spelling of 2153922390 in words is "two billion, one hundred fifty-three million, nine hundred twenty-two thousand, three hundred ninety".