2190050905040 has 40 divisors (see below), whose sum is σ = 5130737602848. Its totient is φ = 869333179520.

The previous prime is 2190050905019. The next prime is 2190050905043. The reversal of 2190050905040 is 405090500912.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190050905043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104476682 + ... + 104497641.

Almost surely, 2^{2190050905040} is an apocalyptic number.

2190050905040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2190050905040 is an abundant number, since it is smaller than the sum of its proper divisors (2940686697808).

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

2190050905040 is a wasteful number, since it uses less digits than its factorization.

2190050905040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208974467 (or 208974461 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 2190050905040 in words is "two trillion, one hundred ninety billion, fifty million, nine hundred five thousand, forty".