4264781133978 has 56 divisors (see below), whose sum is σ = 9593309546688. Its totient is φ = 1421306228232.

The previous prime is 4264781133961. The next prime is 4264781134037. The reversal of 4264781133978 is 8793311874624.

4264781133978 is a `hidden beast` number, since 4 + 2 + 64 + 78 + 113 + 397 + 8 = 666.

It is a super-2 number, since 2×4264781133978² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6977775 + ... + 7564317.

It is an arithmetic number, because the mean of its divisors is an integer number (171309099048).

Almost surely, 2^{4264781133978} is an apocalyptic number.

4264781133978 is an abundant number, since it is smaller than the sum of its proper divisors (5328528412710).

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

4264781133978 is an equidigital number, since it uses as much as digits as its factorization.

4264781133978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591550 (or 591535 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 4264781133978 in words is "four trillion, two hundred sixty-four billion, seven hundred eighty-one million, one hundred thirty-three thousand, nine hundred seventy-eight".