42235455878 has 32 divisors (see below), whose sum is σ = 79002708480. Its totient is φ = 16451847360.

The previous prime is 42235455853. The next prime is 42235455893. The reversal of 42235455878 is 87855453224.

It is a happy number.

It is a Curzon number.

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, 760583 + ... + 814221.

It is an arithmetic number, because the mean of its divisors is an integer number (2468834640).

Almost surely, 2^42235455878 is an apocalyptic number.

42235455878 is a deficient number, since it is larger than the sum of its proper divisors (36767252602).

42235455878 is a wasteful number, since it uses less digits than its factorization.

42235455878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58772.

The product of its digits is 10752000, while the sum is 53.

The spelling of 42235455878 in words is "forty-two billion, two hundred thirty-five million, four hundred fifty-five thousand, eight hundred seventy-eight".