2040189435904 has 45 divisors (see below), whose sum is σ = 4080620028247. Its totient is φ = 1020003303424.

The previous prime is 2040189435887. The next prime is 2040189435929. The reversal of 2040189435904 is 4095349810402.

It is a happy number.

The square root of 2040189435904 is 1428352.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 182823477 + ... + 182834635.

Almost surely, 2^{2040189435904} is an apocalyptic number.

2040189435904 is the 1428352-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040189435904

2040189435904 is an abundant number, since it is smaller than the sum of its proper divisors (2040430592343).

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

2040189435904 is an frugal number, since it uses more digits than its factorization.

2040189435904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22346 (or 11161 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

Multiplying 2040189435904 by its sum of digits (49), we get a square (99969282359296 = 9998464²).

The spelling of 2040189435904 in words is "two trillion, forty billion, one hundred eighty-nine million, four hundred thirty-five thousand, nine hundred four".