40647239448 has 64 divisors (see below), whose sum is σ = 107034912000. Its totient is φ = 12827751552.

The previous prime is 40647239447. The next prime is 40647239449. The reversal of 40647239448 is 84493274604.

40647239448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40647239447) and next prime (40647239449).

It is a self number, because there is not a number n which added to its sum of digits gives 40647239448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40647239441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705058 + ... + 760526.

It is an arithmetic number, because the mean of its divisors is an integer number (1672420500).

Almost surely, 2^40647239448 is an apocalyptic number.

It is an amenable number.

40647239448 is an abundant number, since it is smaller than the sum of its proper divisors (66387672552).

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

40647239448 is a wasteful number, since it uses less digits than its factorization.

40647239448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57104 (or 57100 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 51.

The spelling of 40647239448 in words is "forty billion, six hundred forty-seven million, two hundred thirty-nine thousand, four hundred forty-eight".