40825878 has 8 divisors (see below), whose sum is σ = 81651768. Its totient is φ = 13608624.

The previous prime is 40825849. The next prime is 40825909. The reversal of 40825878 is 87852804.

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

40825878 is an admirable number.

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, 3402151 + ... + 3402162.

It is an arithmetic number, because the mean of its divisors is an integer number (10206471).

Almost surely, 2^40825878 is an apocalyptic number.

40825878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40825878 is a wasteful number, since it uses less digits than its factorization.

40825878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804318.

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 40825878 is about 6389.5131269918. The cubic root of 40825878 is about 344.3328927780.

The spelling of 40825878 in words is "forty million, eight hundred twenty-five thousand, eight hundred seventy-eight".