40878614 has 32 divisors (see below), whose sum is σ = 74200320. Its totient is φ = 16499808.

The previous prime is 40878611. The next prime is 40878619. The reversal of 40878614 is 41687804.

40878614 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40878614² = 3342122165121992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40878611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60044 + ... + 60720.

It is an arithmetic number, because the mean of its divisors is an integer number (2318760).

Almost surely, 2^40878614 is an apocalyptic number.

40878614 is a deficient number, since it is larger than the sum of its proper divisors (33321706).

40878614 is a wasteful number, since it uses less digits than its factorization.

40878614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 40878614 is about 6393.6385571910. The cubic root of 40878614 is about 344.4810906630.

The spelling of 40878614 in words is "forty million, eight hundred seventy-eight thousand, six hundred fourteen".