40080582 has 80 divisors (see below), whose sum is σ = 97016832. Its totient is φ = 12331440.

The previous prime is 40080563. The next prime is 40080619. The reversal of 40080582 is 28508004.

40080582 is a `hidden beast` number, since 4 + 0 + 0 + 80 + 582 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 115333 + ... + 115679.

Almost surely, 2^40080582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40080582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48508416).

40080582 is an abundant number, since it is smaller than the sum of its proper divisors (56936250).

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

40080582 is a wasteful number, since it uses less digits than its factorization.

40080582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 40080582 is about 6330.9226815686. The cubic root of 40080582 is about 342.2246907598.

Adding to 40080582 its reverse (28508004), we get a palindrome (68588586).

The spelling of 40080582 in words is "forty million, eighty thousand, five hundred eighty-two".