40408983 has 16 divisors (see below), whose sum is σ = 63387360. Its totient is φ = 25354368.

The previous prime is 40408981. The next prime is 40408993. The reversal of 40408983 is 38980404.

It is not a de Polignac number, because 40408983 - 2¹ = 40408981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40408981) 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, 43560 + ... + 44477.

It is an arithmetic number, because the mean of its divisors is an integer number (3961710).

Almost surely, 2^40408983 is an apocalyptic number.

40408983 is a deficient number, since it is larger than the sum of its proper divisors (22978377).

40408983 is a wasteful number, since it uses less digits than its factorization.

40408983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88063 (or 88057 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 40408983 is about 6356.8060376261. The cubic root of 40408983 is about 343.1568243647.

The spelling of 40408983 in words is "forty million, four hundred eight thousand, nine hundred eighty-three".