40493280744 has 96 divisors (see below), whose sum is σ = 126553365120. Its totient is φ = 11457168768.

The previous prime is 40493280731. The next prime is 40493280749. The reversal of 40493280744 is 44708239404.

40493280744 is a `hidden beast` number, since 40 + 493 + 2 + 80 + 7 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 40493280744.

It is not an unprimeable number, because it can be changed into a prime (40493280749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338107 + ... + 441930.

It is an arithmetic number, because the mean of its divisors is an integer number (1318264220).

Almost surely, 2^40493280744 is an apocalyptic number.

It is an amenable number.

40493280744 is an abundant number, since it is smaller than the sum of its proper divisors (86060084376).

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

40493280744 is a wasteful number, since it uses less digits than its factorization.

40493280744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780159 (or 780152 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 40493280744 in words is "forty billion, four hundred ninety-three million, two hundred eighty thousand, seven hundred forty-four".