2043015238656 has 792 divisors, whose sum is σ = 7457449608960. Its totient is φ = 535088332800.

The previous prime is 2043015238631. The next prime is 2043015238703. The reversal of 2043015238656 is 6568325103402.

2043015238656 is a `hidden beast` number, since 2 + 0 + 43 + 0 + 1 + 523 + 86 + 5 + 6 = 666.

It is a super-2 number, since 2×2043015238656² (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 71 ways as a sum of consecutive naturals, for example, 265979136 + ... + 265986816.

Almost surely, 2^{2043015238656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043015238656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3728724804480).

2043015238656 is an abundant number, since it is smaller than the sum of its proper divisors (5414434370304).

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

2043015238656 is a wasteful number, since it uses less digits than its factorization.

2043015238656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771 (or 7743 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 2043015238656 in words is "two trillion, forty-three billion, fifteen million, two hundred thirty-eight thousand, six hundred fifty-six".