40413405451 has 2 divisors, whose sum is σ = 40413405452. Its totient is φ = 40413405450.

The previous prime is 40413405449. The next prime is 40413405463. The reversal of 40413405451 is 15450431404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40413405451 - 2¹ = 40413405449 is a prime.

Together with 40413405449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40413405401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20206702725 + 20206702726.

It is an arithmetic number, because the mean of its divisors is an integer number (20206702726).

Almost surely, 2^40413405451 is an apocalyptic number.

40413405451 is a deficient number, since it is larger than the sum of its proper divisors (1).

40413405451 is an equidigital number, since it uses as much as digits as its factorization.

40413405451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 40413405451 its reverse (15450431404), we get a palindrome (55863836855).

The spelling of 40413405451 in words is "forty billion, four hundred thirteen million, four hundred five thousand, four hundred fifty-one".