40887994 has 8 divisors (see below), whose sum is σ = 70093728. Its totient is φ = 17523420.

The previous prime is 40887989. The next prime is 40888007. The reversal of 40887994 is 49978804.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460272 + ... + 1460299.

It is an arithmetic number, because the mean of its divisors is an integer number (8761716).

Almost surely, 2^40887994 is an apocalyptic number.

40887994 is a deficient number, since it is larger than the sum of its proper divisors (29205734).

40887994 is a wasteful number, since it uses less digits than its factorization.

40887994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920580.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 40887994 is about 6394.3720567386. The cubic root of 40887994 is about 344.5074368393.

The spelling of 40887994 in words is "forty million, eight hundred eighty-seven thousand, nine hundred ninety-four".