2052438089940 has 144 divisors (see below), whose sum is σ = 7249366470528. Its totient is φ = 460277206272.

The previous prime is 2052438089927. The next prime is 2052438089963. The reversal of 2052438089940 is 499808342502.

2052438089940 is a `hidden beast` number, since 2 + 0 + 524 + 38 + 0 + 89 + 9 + 4 + 0 = 666.

It is a super-2 number, since 2×2052438089940² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15300382 + ... + 15433941.

It is an arithmetic number, because the mean of its divisors is an integer number (50342822712).

Almost surely, 2^{2052438089940} is an apocalyptic number.

2052438089940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2052438089940 is an abundant number, since it is smaller than the sum of its proper divisors (5196928380588).

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

2052438089940 is a wasteful number, since it uses less digits than its factorization.

2052438089940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30734398 (or 30734393 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 2052438089940 in words is "two trillion, fifty-two billion, four hundred thirty-eight million, eighty-nine thousand, nine hundred forty".