40873887 has 12 divisors (see below), whose sum is σ = 59095920. Its totient is φ = 27223488.

The previous prime is 40873867. The next prime is 40873897. The reversal of 40873887 is 78837804.

It is not a de Polignac number, because 40873887 - 2⁶ = 40873823 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40873867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15703 + ... + 18119.

It is an arithmetic number, because the mean of its divisors is an integer number (4924660).

Almost surely, 2^40873887 is an apocalyptic number.

40873887 is a deficient number, since it is larger than the sum of its proper divisors (18222033).

40873887 is a wasteful number, since it uses less digits than its factorization.

40873887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302 (or 4299 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 40873887 is about 6393.2688821916. The cubic root of 40873887 is about 344.4678121234.

The spelling of 40873887 in words is "forty million, eight hundred seventy-three thousand, eight hundred eighty-seven".