2190390090000 has 400 divisors, whose sum is σ = 8095448727168. Its totient is φ = 499765248000.

The previous prime is 2190390089999. The next prime is 2190390090037. The reversal of 2190390090000 is 900930912.

It is a tau number, because it is divible by the number of its divisors (400).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 121160962 + ... + 121179038.

Almost surely, 2^{2190390090000} is an apocalyptic number.

2190390090000 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 2190390090000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4047724363584).

2190390090000 is an abundant number, since it is smaller than the sum of its proper divisors (5905058637168).

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

2190390090000 is a wasteful number, since it uses less digits than its factorization.

2190390090000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18692 (or 18671 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 33.

The spelling of 2190390090000 in words is "two trillion, one hundred ninety billion, three hundred ninety million, ninety thousand".