40551224501 has 2 divisors, whose sum is σ = 40551224502. Its totient is φ = 40551224500.

The previous prime is 40551224489. The next prime is 40551224509. The reversal of 40551224501 is 10542215504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40099662001 + 451562500 = 200249^2 + 21250^2 .

It is a cyclic number.

It is not a de Polignac number, because 40551224501 - 2⁶ = 40551224437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40551224509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20275612250 + 20275612251.

It is an arithmetic number, because the mean of its divisors is an integer number (20275612251).

Almost surely, 2^40551224501 is an apocalyptic number.

It is an amenable number.

40551224501 is a deficient number, since it is larger than the sum of its proper divisors (1).

40551224501 is an equidigital number, since it uses as much as digits as its factorization.

40551224501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 40551224501 in words is "forty billion, five hundred fifty-one million, two hundred twenty-four thousand, five hundred one".