40237606273647 has 4 divisors (see below), whose sum is σ = 53650141698200. Its totient is φ = 26825070849096.

The previous prime is 40237606273639. The next prime is 40237606273703. The reversal of 40237606273647 is 74637260673204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40237606273647 - 2³ = 40237606273639 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 (40237606273147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6706267712272 + ... + 6706267712277.

It is an arithmetic number, because the mean of its divisors is an integer number (13412535424550).

Almost surely, 2^{40237606273647} is an apocalyptic number.

40237606273647 is a deficient number, since it is larger than the sum of its proper divisors (13412535424553).

40237606273647 is a wasteful number, since it uses less digits than its factorization.

40237606273647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13412535424552.

The product of its (nonzero) digits is 42674688, while the sum is 57.

The spelling of 40237606273647 in words is "forty trillion, two hundred thirty-seven billion, six hundred six million, two hundred seventy-three thousand, six hundred forty-seven".