40087455 has 8 divisors (see below), whose sum is σ = 64139952. Its totient is φ = 21379968.

The previous prime is 40087409. The next prime is 40087471. The reversal of 40087455 is 55478004.

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

It is not a de Polignac number, because 40087455 - 2¹⁴ = 40071071 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1336234 + ... + 1336263.

It is an arithmetic number, because the mean of its divisors is an integer number (8017494).

Almost surely, 2^40087455 is an apocalyptic number.

40087455 is a deficient number, since it is larger than the sum of its proper divisors (24052497).

40087455 is a wasteful number, since it uses less digits than its factorization.

40087455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672505.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 40087455 is about 6331.4654701736. The cubic root of 40087455 is about 342.2442511533.

The spelling of 40087455 in words is "forty million, eighty-seven thousand, four hundred fifty-five".