40087296 has 108 divisors (see below), whose sum is σ = 117341952. Its totient is φ = 13160448.

The previous prime is 40087277. The next prime is 40087297. The reversal of 40087296 is 69278004.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 40087296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40087297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292540 + ... + 292676.

Almost surely, 2^40087296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40087296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58670976).

40087296 is an abundant number, since it is smaller than the sum of its proper divisors (77254656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40087296 is a wasteful number, since it uses less digits than its factorization.

40087296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 40087296 is about 6331.4529138263. The cubic root of 40087296 is about 342.2437986684.

The spelling of 40087296 in words is "forty million, eighty-seven thousand, two hundred ninety-six".