40973878 has 32 divisors (see below), whose sum is σ = 70244352. Its totient is φ = 17755200.

The previous prime is 40973873. The next prime is 40973923. The reversal of 40973878 is 87837904.

40973878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

40973878 is a nontrivial binomial coefficient, being equal to C(9053, 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40973873) 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, 49375 + ... + 50197.

It is an arithmetic number, because the mean of its divisors is an integer number (2195136).

Almost surely, 2^40973878 is an apocalyptic number.

40973878 is the 9052-nd triangular number.

40973878 is the 3018-th centered nonagonal number.

40973878 is a deficient number, since it is larger than the sum of its proper divisors (29270474).

40973878 is a wasteful number, since it uses less digits than its factorization.

40973878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 40973878 is about 6401.0841269273. The cubic root of 40973878 is about 344.7484773172.

The spelling of 40973878 in words is "forty million, nine hundred seventy-three thousand, eight hundred seventy-eight".