42044415525 has 216 divisors, whose sum is σ = 93758552640. Its totient is φ = 18092730240.

The previous prime is 42044415467. The next prime is 42044415533. The reversal of 42044415525 is 52551444024.

42044415525 is a `hidden beast` number, since 4 + 20 + 44 + 41 + 552 + 5 = 666.

It is not a de Polignac number, because 42044415525 - 2³³ = 33454480933 is a prime.

It is a super-2 number, since 2×42044415525² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42044415525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 267798747 + ... + 267798903.

Almost surely, 2^42044415525 is an apocalyptic number.

42044415525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42044415525 is an abundant number, since it is smaller than the sum of its proper divisors (51714137115).

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

42044415525 is a wasteful number, since it uses less digits than its factorization.

42044415525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 42044415525 its reverse (52551444024), we get a palindrome (94595859549).

The spelling of 42044415525 in words is "forty-two billion, forty-four million, four hundred fifteen thousand, five hundred twenty-five".