42004160405 has 8 divisors (see below), whose sum is σ = 53369992152. Its totient is φ = 31626661888.

The previous prime is 42004160381. The next prime is 42004160413. The reversal of 42004160405 is 50406140024.

It can be written as a sum of positive squares in 4 ways, for example, as 3298319761 + 38705840644 = 57431^2 + 196738^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42004160405 - 2¹² = 42004156309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247083212 + ... + 247083381.

It is an arithmetic number, because the mean of its divisors is an integer number (6671249019).

Almost surely, 2^42004160405 is an apocalyptic number.

It is an amenable number.

42004160405 is a deficient number, since it is larger than the sum of its proper divisors (11365831747).

42004160405 is a wasteful number, since it uses less digits than its factorization.

42004160405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494166615.

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 42004160405 in words is "forty-two billion, four million, one hundred sixty thousand, four hundred five".