40451247448 has 16 divisors (see below), whose sum is σ = 80307623880. Its totient is φ = 19035881088.

The previous prime is 40451247439. The next prime is 40451247461. The reversal of 40451247448 is 84474215404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148717686 + ... + 148717957.

Almost surely, 2^40451247448 is an apocalyptic number.

It is an amenable number.

40451247448 is a deficient number, since it is larger than the sum of its proper divisors (39856376432).

40451247448 is a wasteful number, since it uses less digits than its factorization.

40451247448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297435666 (or 297435662 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 43.

The spelling of 40451247448 in words is "forty billion, four hundred fifty-one million, two hundred forty-seven thousand, four hundred forty-eight".