40725026491477 has 2 divisors, whose sum is σ = 40725026491478. Its totient is φ = 40725026491476.

The previous prime is 40725026491459. The next prime is 40725026491481. The reversal of 40725026491477 is 77419462052704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38328493382001 + 2396533109476 = 6191001^2 + 1548074^2 .

It is a cyclic number.

It is not a de Polignac number, because 40725026491477 - 2⁴³ = 31928933469269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40725326491477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20362513245738 + 20362513245739.

It is an arithmetic number, because the mean of its divisors is an integer number (20362513245739).

Almost surely, 2^{40725026491477} is an apocalyptic number.

It is an amenable number.

40725026491477 is a deficient number, since it is larger than the sum of its proper divisors (1).

40725026491477 is an equidigital number, since it uses as much as digits as its factorization.

40725026491477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 40725026491477 in words is "forty trillion, seven hundred twenty-five billion, twenty-six million, four hundred ninety-one thousand, four hundred seventy-seven".