40487415 has 16 divisors (see below), whose sum is σ = 64862208. Its totient is φ = 21565856.

The previous prime is 40487413. The next prime is 40487437. The reversal of 40487415 is 51478404.

It is a cyclic number.

It is not a de Polignac number, because 40487415 - 2¹ = 40487413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40487413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17242 + ... + 19448.

It is an arithmetic number, because the mean of its divisors is an integer number (4053888).

Almost surely, 2^40487415 is an apocalyptic number.

40487415 is a deficient number, since it is larger than the sum of its proper divisors (24374793).

40487415 is a wasteful number, since it uses less digits than its factorization.

40487415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 40487415 is about 6362.9721828718. The cubic root of 40487415 is about 343.3786981458.

The spelling of 40487415 in words is "forty million, four hundred eighty-seven thousand, four hundred fifteen".