40287416 has 32 divisors (see below), whose sum is σ = 86138640. Its totient is φ = 17499648.

The previous prime is 40287397. The next prime is 40287419. The reversal of 40287416 is 61478204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40287419) 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, 9626 + ... + 13161.

Almost surely, 2^40287416 is an apocalyptic number.

It is an amenable number.

40287416 is an abundant number, since it is smaller than the sum of its proper divisors (45851224).

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

40287416 is a wasteful number, since it uses less digits than its factorization.

40287416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22823 (or 22819 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 40287416 is about 6347.2368791467. The cubic root of 40287416 is about 342.8123592962.

The spelling of 40287416 in words is "forty million, two hundred eighty-seven thousand, four hundred sixteen".