42404744331 has 24 divisors (see below), whose sum is σ = 64489763520. Its totient is φ = 26775832176.

The previous prime is 42404744329. The next prime is 42404744377. The reversal of 42404744331 is 13344740424.

42404744331 is a `hidden beast` number, since 4 + 240 + 47 + 44 + 331 = 666.

42404744331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42404744331 - 2¹ = 42404744329 is a prime.

It is a super-2 number, since 2×42404744331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42404744311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 792676 + ... + 844478.

It is an arithmetic number, because the mean of its divisors is an integer number (2687073480).

Almost surely, 2^42404744331 is an apocalyptic number.

42404744331 is a deficient number, since it is larger than the sum of its proper divisors (22085019189).

42404744331 is a wasteful number, since it uses less digits than its factorization.

42404744331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56615 (or 56612 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 36.

The spelling of 42404744331 in words is "forty-two billion, four hundred four million, seven hundred forty-four thousand, three hundred thirty-one".