42405332655 has 32 divisors (see below), whose sum is σ = 77562330624. Its totient is φ = 19380007296.

The previous prime is 42405332653. The next prime is 42405332657. The reversal of 42405332655 is 55623350424.

It is an interprime number because it is at equal distance from previous prime (42405332653) and next prime (42405332657).

It is not a de Polignac number, because 42405332655 - 2¹ = 42405332653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42405332653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345504 + ... + 451866.

It is an arithmetic number, because the mean of its divisors is an integer number (2423822832).

Almost surely, 2^42405332655 is an apocalyptic number.

42405332655 is a deficient number, since it is larger than the sum of its proper divisors (35156997969).

42405332655 is a wasteful number, since it uses less digits than its factorization.

42405332655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110175.

The product of its (nonzero) digits is 432000, while the sum is 39.

The spelling of 42405332655 in words is "forty-two billion, four hundred five million, three hundred thirty-two thousand, six hundred fifty-five".