40239087 has 8 divisors (see below), whose sum is σ = 61316736. Its totient is φ = 22993752.

The previous prime is 40239083. The next prime is 40239103. The reversal of 40239087 is 78093204.

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

It is not a de Polignac number, because 40239087 - 2² = 40239083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40239083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958053 + ... + 958094.

It is an arithmetic number, because the mean of its divisors is an integer number (7664592).

Almost surely, 2^40239087 is an apocalyptic number.

40239087 is a deficient number, since it is larger than the sum of its proper divisors (21077649).

40239087 is a wasteful number, since it uses less digits than its factorization.

40239087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916157.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40239087 is about 6343.4286470331. The cubic root of 40239087 is about 342.6752245983.

The spelling of 40239087 in words is "forty million, two hundred thirty-nine thousand, eighty-seven".