40458406451 has 2 divisors, whose sum is σ = 40458406452. Its totient is φ = 40458406450.

The previous prime is 40458406423. The next prime is 40458406453. The reversal of 40458406451 is 15460485404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40458406451 is a prime.

Together with 40458406453, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40458406399 and 40458406408.

It is not a weakly prime, because it can be changed into another prime (40458406453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20229203225 + 20229203226.

It is an arithmetic number, because the mean of its divisors is an integer number (20229203226).

Almost surely, 2^40458406451 is an apocalyptic number.

40458406451 is a deficient number, since it is larger than the sum of its proper divisors (1).

40458406451 is an equidigital number, since it uses as much as digits as its factorization.

40458406451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 40458406451 in words is "forty billion, four hundred fifty-eight million, four hundred six thousand, four hundred fifty-one".