42403044135 has 16 divisors (see below), whose sum is σ = 71415653760. Its totient is φ = 21424695840.

The previous prime is 42403044119. The next prime is 42403044137. The reversal of 42403044135 is 53144030424.

It is not a de Polignac number, because 42403044135 - 2⁴ = 42403044119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42403044137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74391021 + ... + 74391590.

It is an arithmetic number, because the mean of its divisors is an integer number (4463478360).

Almost surely, 2^42403044135 is an apocalyptic number.

42403044135 is a deficient number, since it is larger than the sum of its proper divisors (29012609625).

42403044135 is a wasteful number, since it uses less digits than its factorization.

42403044135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148782638.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 42403044135 its reverse (53144030424), we get a palindrome (95547074559).

The spelling of 42403044135 in words is "forty-two billion, four hundred three million, forty-four thousand, one hundred thirty-five".