40244487452 has 48 divisors (see below), whose sum is σ = 79184831040. Its totient is φ = 17757408768.

The previous prime is 40244487443. The next prime is 40244487473. The reversal of 40244487452 is 25478444204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2567174 + ... + 2582802.

It is an arithmetic number, because the mean of its divisors is an integer number (1649683980).

Almost surely, 2^40244487452 is an apocalyptic number.

It is an amenable number.

40244487452 is a deficient number, since it is larger than the sum of its proper divisors (38940343588).

40244487452 is a wasteful number, since it uses less digits than its factorization.

40244487452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17822 (or 17820 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 44.

The spelling of 40244487452 in words is "forty billion, two hundred forty-four million, four hundred eighty-seven thousand, four hundred fifty-two".