42054452405 has 16 divisors (see below), whose sum is σ = 57726364800. Its totient is φ = 28811495232.

The previous prime is 42054452383. The next prime is 42054452477. The reversal of 42054452405 is 50425445024.

It is a cyclic number.

It is not a de Polignac number, because 42054452405 - 2¹⁸ = 42054190261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498755 + ... + 576944.

It is an arithmetic number, because the mean of its divisors is an integer number (3607897800).

Almost surely, 2^42054452405 is an apocalyptic number.

It is an amenable number.

42054452405 is a deficient number, since it is larger than the sum of its proper divisors (15671912395).

42054452405 is a wasteful number, since it uses less digits than its factorization.

42054452405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076828.

The product of its (nonzero) digits is 128000, while the sum is 35.

Adding to 42054452405 its reverse (50425445024), we get a palindrome (92479897429).

The spelling of 42054452405 in words is "forty-two billion, fifty-four million, four hundred fifty-two thousand, four hundred five".