42403041165 has 16 divisors (see below), whose sum is σ = 67882579776. Its totient is φ = 22602384000.

The previous prime is 42403041151. The next prime is 42403041211. The reversal of 42403041165 is 56114030424.

It is not a de Polignac number, because 42403041165 - 2⁸ = 42403040909 is a prime.

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, 757791 + ... + 811820.

It is an arithmetic number, because the mean of its divisors is an integer number (4242661236).

Almost surely, 2^42403041165 is an apocalyptic number.

It is an amenable number.

42403041165 is a deficient number, since it is larger than the sum of its proper divisors (25479538611).

42403041165 is a wasteful number, since it uses less digits than its factorization.

42403041165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571420.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 42403041165 its reverse (56114030424), we get a palindrome (98517071589).

The spelling of 42403041165 in words is "forty-two billion, four hundred three million, forty-one thousand, one hundred sixty-five".