42746864724 has 24 divisors (see below), whose sum is σ = 110825205120. Its totient is φ = 14248954872.

The previous prime is 42746864711. The next prime is 42746864747.

42746864724 is a `hidden beast` number, since 42 + 74 + 68 + 6 + 472 + 4 = 666.

42746864724 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×42746864724³ (a number of 33 digits) contains 333 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 an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 197902044 + ... + 197902259.

It is an arithmetic number, because the mean of its divisors is an integer number (4617716880).

Almost surely, 2^42746864724 is an apocalyptic number.

It is an amenable number.

42746864724 is an abundant number, since it is smaller than the sum of its proper divisors (68078340396).

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

42746864724 is a wasteful number, since it uses less digits than its factorization.

42746864724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395804316 (or 395804308 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 54.

The spelling of 42746864724 in words is "forty-two billion, seven hundred forty-six million, eight hundred sixty-four thousand, seven hundred twenty-four".