2190092400 has 90 divisors (see below), whose sum is σ = 7600241480. Its totient is φ = 584023680.

The previous prime is 2190092389. The next prime is 2190092413. The reversal of 2190092400 is 42900912.

It is a tau number, because it is divible by the number of its divisors (90).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 300580 + ... + 307779.

Almost surely, 2^2190092400 is an apocalyptic number.

2190092400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2190092400 is an abundant number, since it is smaller than the sum of its proper divisors (5410149080).

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

2190092400 is a wasteful number, since it uses less digits than its factorization.

2190092400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608383 (or 608369 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2190092400 is about 46798.4230503550. The cubic root of 2190092400 is about 1298.6361238501.

The spelling of 2190092400 in words is "two billion, one hundred ninety million, ninety-two thousand, four hundred".