40740646582 has 16 divisors (see below), whose sum is σ = 61195614480. Its totient is φ = 20342130912.

The previous prime is 40740646579. The next prime is 40740646589. The reversal of 40740646582 is 28564604704.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40740646589) 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, 5051269 + ... + 5059327.

It is an arithmetic number, because the mean of its divisors is an integer number (3824725905).

Almost surely, 2^40740646582 is an apocalyptic number.

40740646582 is a deficient number, since it is larger than the sum of its proper divisors (20454967898).

40740646582 is a wasteful number, since it uses less digits than its factorization.

40740646582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11247.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 40740646582 in words is "forty billion, seven hundred forty million, six hundred forty-six thousand, five hundred eighty-two".