40909249473 has 8 divisors (see below), whose sum is σ = 54582060000. Its totient is φ = 27254635968.

The previous prime is 40909249441. The next prime is 40909249477. The reversal of 40909249473 is 37494290904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40909249473 - 2⁵ = 40909249441 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40909249477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4544008 + ... + 4553001.

It is an arithmetic number, because the mean of its divisors is an integer number (6822757500).

Almost surely, 2^40909249473 is an apocalyptic number.

It is an amenable number.

40909249473 is a deficient number, since it is larger than the sum of its proper divisors (13672810527).

40909249473 is a wasteful number, since it uses less digits than its factorization.

40909249473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9098511.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 40909249473 in words is "forty billion, nine hundred nine million, two hundred forty-nine thousand, four hundred seventy-three".