40087995 has 8 divisors (see below), whose sum is σ = 64140816. Its totient is φ = 21380256.

The previous prime is 40087987. The next prime is 40088029. The reversal of 40087995 is 59978004.

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

It is not a de Polignac number, because 40087995 - 2³ = 40087987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1336252 + ... + 1336281.

It is an arithmetic number, because the mean of its divisors is an integer number (8017602).

Almost surely, 2^40087995 is an apocalyptic number.

40087995 is a deficient number, since it is larger than the sum of its proper divisors (24052821).

40087995 is a wasteful number, since it uses less digits than its factorization.

40087995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672541.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 40087995 is about 6331.5081141858. The cubic root of 40087995 is about 342.2457878856.

The spelling of 40087995 in words is "forty million, eighty-seven thousand, nine hundred ninety-five".