42405876 has 24 divisors (see below), whose sum is σ = 109941440. Its totient is φ = 14135256.

The previous prime is 42405827. The next prime is 42405877. The reversal of 42405876 is 67850424.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42405876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42405877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196216 + ... + 196431.

Almost surely, 2^42405876 is an apocalyptic number.

It is an amenable number.

42405876 is an abundant number, since it is smaller than the sum of its proper divisors (67535564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42405876 is a wasteful number, since it uses less digits than its factorization.

42405876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392660 (or 392652 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 42405876 is about 6511.9794225719. The cubic root of 42405876 is about 348.7187878183.

The spelling of 42405876 in words is "forty-two million, four hundred five thousand, eight hundred seventy-six".