40422878 has 8 divisors (see below), whose sum is σ = 61402080. Its totient is φ = 19955520.

The previous prime is 40422841. The next prime is 40422883. The reversal of 40422878 is 87822404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127763 + ... + 128078.

It is an arithmetic number, because the mean of its divisors is an integer number (7675260).

Almost surely, 2^40422878 is an apocalyptic number.

40422878 is a deficient number, since it is larger than the sum of its proper divisors (20979202).

40422878 is a wasteful number, since it uses less digits than its factorization.

40422878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255922.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 40422878 is about 6357.8988667641. The cubic root of 40422878 is about 343.1961523993.

The spelling of 40422878 in words is "forty million, four hundred twenty-two thousand, eight hundred seventy-eight".