42404236364 has 12 divisors (see below), whose sum is σ = 84808472784. Its totient is φ = 18173244144.

The previous prime is 42404236339. The next prime is 42404236393. The reversal of 42404236364 is 46363240424.

42404236364 is an admirable number.

It is a super-2 number, since 2×42404236364² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757218479 + ... + 757218534.

It is an arithmetic number, because the mean of its divisors is an integer number (7067372732).

Almost surely, 2^42404236364 is an apocalyptic number.

It is an amenable number.

42404236364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42404236364 is a wasteful number, since it uses less digits than its factorization.

42404236364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514437024 (or 1514437022 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 42404236364 its reverse (46363240424), we get a palindrome (88767476788).

The spelling of 42404236364 in words is "forty-two billion, four hundred four million, two hundred thirty-six thousand, three hundred sixty-four".