42424423120404 has 36 divisors (see below), whose sum is σ = 115488707384596. Its totient is φ = 13053668652288.

The previous prime is 42424423120399. The next prime is 42424423120423. The reversal of 42424423120404 is 40402132442424.

42424423120404 is a `hidden beast` number, since 4 + 2 + 4 + 2 + 442 + 3 + 1 + 204 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14971559876100 + 27452863244304 = 3869310^2 + 5239548^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×42424423120404² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45325237909 + ... + 45325238844.

Almost surely, 2^{42424423120404} is an apocalyptic number.

It is an amenable number.

42424423120404 is an abundant number, since it is smaller than the sum of its proper divisors (73064284264192).

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

42424423120404 is a wasteful number, since it uses less digits than its factorization.

42424423120404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90650476776 (or 90650476771 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 42424423120404 its reverse (40402132442424), we get a palindrome (82826555562828).

The spelling of 42424423120404 in words is "forty-two trillion, four hundred twenty-four billion, four hundred twenty-three million, one hundred twenty thousand, four hundred four".