42404242141125 has 24 divisors (see below), whose sum is σ = 76440713835096. Its totient is φ = 22615595808000.

The previous prime is 42404242141109. The next prime is 42404242141223. The reversal of 42404242141125 is 52114124240424.

42404242141125 is a `hidden beast` number, since 4 + 2 + 4 + 0 + 424 + 214 + 1 + 12 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 685638649089 + 41718603492036 = 828033^2 + 6458994^2 .

It is not a de Polignac number, because 42404242141125 - 2⁴ = 42404242141109 is a prime.

It is a super-2 number, since 2×42404242141125² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42404242141125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18846328716 + ... + 18846330965.

It is an arithmetic number, because the mean of its divisors is an integer number (3185029743129).

Almost surely, 2^{42404242141125} is an apocalyptic number.

42404242141125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42404242141125 is a deficient number, since it is larger than the sum of its proper divisors (34036471693971).

42404242141125 is a wasteful number, since it uses less digits than its factorization.

42404242141125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37692659702 (or 37692659689 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 36.

Adding to 42404242141125 its reverse (52114124240424), we get a palindrome (94518366381549).

The spelling of 42404242141125 in words is "forty-two trillion, four hundred four billion, two hundred forty-two million, one hundred forty-one thousand, one hundred twenty-five".