42054037588381 has 24 divisors (see below), whose sum is σ = 53166411153240. Its totient is φ = 32968262500992.

The previous prime is 42054037588369. The next prime is 42054037588417. The reversal of 42054037588381 is 18388573045024.

It can be written as a sum of positive squares in 4 ways, for example, as 16635712116100 + 25418325472281 = 4078690^2 + 5041659^2 .

It is not a de Polignac number, because 42054037588381 - 2¹⁵ = 42054037555613 is a prime.

It is a super-2 number, since 2×42054037588381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42054037588781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302769546 + ... + 302908411.

It is an arithmetic number, because the mean of its divisors is an integer number (2215267131385).

Almost surely, 2^{42054037588381} is an apocalyptic number.

It is an amenable number.

42054037588381 is a deficient number, since it is larger than the sum of its proper divisors (11112373564859).

42054037588381 is a wasteful number, since it uses less digits than its factorization.

42054037588381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605678093 (or 605678086 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 58.

The spelling of 42054037588381 in words is "forty-two trillion, fifty-four billion, thirty-seven million, five hundred eighty-eight thousand, three hundred eighty-one".