42015053405 has 16 divisors (see below), whose sum is σ = 56168668080. Its totient is φ = 29956620288.

The previous prime is 42015053389. The next prime is 42015053411. The reversal of 42015053405 is 50435051024.

42015053405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 126472516 + 41888580889 = 11246^2 + 204667^2 .

It is a cyclic number.

It is not a de Polignac number, because 42015053405 - 2⁴ = 42015053389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 11142692 + ... + 11146461.

It is an arithmetic number, because the mean of its divisors is an integer number (3510541755).

Almost surely, 2^42015053405 is an apocalyptic number.

It is an amenable number.

42015053405 is a deficient number, since it is larger than the sum of its proper divisors (14153614675).

42015053405 is a wasteful number, since it uses less digits than its factorization.

42015053405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22289200.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 42015053405 in words is "forty-two billion, fifteen million, fifty-three thousand, four hundred five".