40273366401 has 24 divisors (see below), whose sum is σ = 63380371040. Its totient is φ = 25269558336.

The previous prime is 40273366391. The next prime is 40273366451. The reversal of 40273366401 is 10466337204.

It is a happy number.

40273366401 is a `hidden beast` number, since 4 + 0 + 2 + 7 + 3 + 3 + 6 + 640 + 1 = 666.

It is not a de Polignac number, because 40273366401 - 2⁶ = 40273366337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40273366451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2572831 + ... + 2588436.

Almost surely, 2^40273366401 is an apocalyptic number.

It is an amenable number.

40273366401 is a deficient number, since it is larger than the sum of its proper divisors (23107004639).

40273366401 is a wasteful number, since it uses less digits than its factorization.

40273366401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161310 (or 5161287 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 40273366401 in words is "forty billion, two hundred seventy-three million, three hundred sixty-six thousand, four hundred one".