40624165451 has 2 divisors, whose sum is σ = 40624165452. Its totient is φ = 40624165450.

The previous prime is 40624165397. The next prime is 40624165459. The reversal of 40624165451 is 15456142604.

It is a happy number.

40624165451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40624165451 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40624165459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20312082725 + 20312082726.

It is an arithmetic number, because the mean of its divisors is an integer number (20312082726).

Almost surely, 2^40624165451 is an apocalyptic number.

40624165451 is a deficient number, since it is larger than the sum of its proper divisors (1).

40624165451 is an equidigital number, since it uses as much as digits as its factorization.

40624165451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 40624165451 in words is "forty billion, six hundred twenty-four million, one hundred sixty-five thousand, four hundred fifty-one".