40636268273 has 4 divisors (see below), whose sum is σ = 40637486400. Its totient is φ = 40635050148.

The previous prime is 40636268269. The next prime is 40636268293. The reversal of 40636268273 is 37286263604.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40636268273 - 2² = 40636268269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40636268243) 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, 557573 + ... + 626226.

It is an arithmetic number, because the mean of its divisors is an integer number (10159371600).

Almost surely, 2^40636268273 is an apocalyptic number.

It is an amenable number.

40636268273 is a deficient number, since it is larger than the sum of its proper divisors (1218127).

40636268273 is a wasteful number, since it uses less digits than its factorization.

40636268273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218126.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 40636268273 in words is "forty billion, six hundred thirty-six million, two hundred sixty-eight thousand, two hundred seventy-three".