40855087 has 16 divisors (see below), whose sum is σ = 50928640. Its totient is φ = 31910112.

The previous prime is 40855069. The next prime is 40855093. The reversal of 40855087 is 78055804.

It is not a de Polignac number, because 40855087 - 2¹¹ = 40853039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40855057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4348 + ... + 10030.

It is an arithmetic number, because the mean of its divisors is an integer number (3183040).

Almost surely, 2^40855087 is an apocalyptic number.

40855087 is a deficient number, since it is larger than the sum of its proper divisors (10073553).

40855087 is a wasteful number, since it uses less digits than its factorization.

40855087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 40855087 is about 6391.7984167212. The cubic root of 40855087 is about 344.4149912111.

The spelling of 40855087 in words is "forty million, eight hundred fifty-five thousand, eighty-seven".