40473195637 has 16 divisors (see below), whose sum is σ = 46378801152. Its totient is φ = 34598648880.

The previous prime is 40473195619. The next prime is 40473195647. The reversal of 40473195637 is 73659137404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40473195637 - 2²³ = 40464807029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40473195617) 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, 4447462 + ... + 4456552.

It is an arithmetic number, because the mean of its divisors is an integer number (2898675072).

Almost surely, 2^40473195637 is an apocalyptic number.

It is an amenable number.

40473195637 is a deficient number, since it is larger than the sum of its proper divisors (5905605515).

40473195637 is an equidigital number, since it uses as much as digits as its factorization.

40473195637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10728.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 40473195637 in words is "forty billion, four hundred seventy-three million, one hundred ninety-five thousand, six hundred thirty-seven".