540626407 has 2 divisors, whose sum is σ = 540626408. Its totient is φ = 540626406.

The previous prime is 540626377. The next prime is 540626419. The reversal of 540626407 is 704626045.

540626407 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 not a de Polignac number, because 540626407 - 2⁷ = 540626279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540626507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270313203 + 270313204.

It is an arithmetic number, because the mean of its divisors is an integer number (270313204).

Almost surely, 2^540626407 is an apocalyptic number.

540626407 is a deficient number, since it is larger than the sum of its proper divisors (1).

540626407 is an equidigital number, since it uses as much as digits as its factorization.

540626407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 540626407 is about 23251.3743034686. The cubic root of 540626407 is about 814.6400392657.

It can be divided in two parts, 5406 and 26407, that added together give a palindrome (31813).

The spelling of 540626407 in words is "five hundred forty million, six hundred twenty-six thousand, four hundred seven".