42404024455 has 16 divisors (see below), whose sum is σ = 56280105504. Its totient is φ = 30467422080.

The previous prime is 42404024363. The next prime is 42404024479. The reversal of 42404024455 is 55442040424.

It is not a de Polignac number, because 42404024455 - 2²³ = 42395635847 is a prime.

It is a super-4 number, since 4×42404024455⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42404024455.

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 15 ways as a sum of consecutive naturals, for example, 8813401 + ... + 8818210.

It is an arithmetic number, because the mean of its divisors is an integer number (3517506594).

Almost surely, 2^42404024455 is an apocalyptic number.

42404024455 is a deficient number, since it is larger than the sum of its proper divisors (13876081049).

42404024455 is a wasteful number, since it uses less digits than its factorization.

42404024455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17631666.

The product of its (nonzero) digits is 102400, while the sum is 34.

Adding to 42404024455 its reverse (55442040424), we get a palindrome (97846064879).

The spelling of 42404024455 in words is "forty-two billion, four hundred four million, twenty-four thousand, four hundred fifty-five".