40447912630 has 16 divisors (see below), whose sum is σ = 73556824320. Its totient is φ = 16012369152.

The previous prime is 40447912597. The next prime is 40447912679. The reversal of 40447912630 is 3621974404.

40447912630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40447912630² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20848470 + ... + 20850409.

It is an arithmetic number, because the mean of its divisors is an integer number (4597301520).

Almost surely, 2^40447912630 is an apocalyptic number.

40447912630 is a deficient number, since it is larger than the sum of its proper divisors (33108911690).

40447912630 is a wasteful number, since it uses less digits than its factorization.

40447912630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41698983.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 40447912630 in words is "forty billion, four hundred forty-seven million, nine hundred twelve thousand, six hundred thirty".