40550406453 has 12 divisors (see below), whose sum is σ = 59034014208. Its totient is φ = 26820740520.

The previous prime is 40550406439. The next prime is 40550406497. The reversal of 40550406453 is 35460405504.

40550406453 is a `hidden beast` number, since 4 + 0 + 5 + 5 + 0 + 4 + 0 + 645 + 3 = 666.

It is not a de Polignac number, because 40550406453 - 2¹⁸ = 40550144309 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40550406353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17737443 + ... + 17739728.

It is an arithmetic number, because the mean of its divisors is an integer number (4919501184).

Almost surely, 2^40550406453 is an apocalyptic number.

It is an amenable number.

40550406453 is a deficient number, since it is larger than the sum of its proper divisors (18483607755).

40550406453 is a wasteful number, since it uses less digits than its factorization.

40550406453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35477304 (or 35477301 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 40550406453 in words is "forty billion, five hundred fifty million, four hundred six thousand, four hundred fifty-three".