4026861364824 has 128 divisors (see below), whose sum is σ = 11613302323200. Its totient is φ = 1291478567040.

The previous prime is 4026861364819. The next prime is 4026861364829. The reversal of 4026861364824 is 4284631686204.

It is a happy number.

4026861364824 is a `hidden beast` number, since 4 + 0 + 26 + 8 + 6 + 136 + 482 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (4026861364819) and next prime (4026861364829).

It is a super-2 number, since 2×4026861364824² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4026861364829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 579694 + ... + 2896509.

It is an arithmetic number, because the mean of its divisors is an integer number (90728924400).

Almost surely, 2^{4026861364824} is an apocalyptic number.

It is an amenable number.

4026861364824 is an abundant number, since it is smaller than the sum of its proper divisors (7586440958376).

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

4026861364824 is a wasteful number, since it uses less digits than its factorization.

4026861364824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476422 (or 3476412 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 54.

The spelling of 4026861364824 in words is "four trillion, twenty-six billion, eight hundred sixty-one million, three hundred sixty-four thousand, eight hundred twenty-four".