42166043454 has 16 divisors (see below), whose sum is σ = 85714580880. Its totient is φ = 13824932160.

The previous prime is 42166043453. The next prime is 42166043501. The reversal of 42166043454 is 45434066124.

42166043454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42166043453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57603519 + ... + 57604250.

It is an arithmetic number, because the mean of its divisors is an integer number (5357161305).

Almost surely, 2^42166043454 is an apocalyptic number.

42166043454 is an abundant number, since it is smaller than the sum of its proper divisors (43548537426).

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

42166043454 is a wasteful number, since it uses less digits than its factorization.

42166043454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115207835.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 42166043454 in words is "forty-two billion, one hundred sixty-six million, forty-three thousand, four hundred fifty-four".