40087307 has 6 divisors (see below), whose sum is σ = 43408332. Its totient is φ = 37003512.

The previous prime is 40087297. The next prime is 40087339. The reversal of 40087307 is 70378004.

It is not a de Polignac number, because 40087307 - 2²⁰ = 39038731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40087307.

It is not an unprimeable number, because it can be changed into a prime (40087357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118433 + ... + 118770.

It is an arithmetic number, because the mean of its divisors is an integer number (7234722).

Almost surely, 2^40087307 is an apocalyptic number.

40087307 is a deficient number, since it is larger than the sum of its proper divisors (3321025).

40087307 is a wasteful number, since it uses less digits than its factorization.

40087307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237229 (or 237216 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 40087307 is about 6331.4537825052. The cubic root of 40087307 is about 342.2438299724.

The spelling of 40087307 in words is "forty million, eighty-seven thousand, three hundred seven".