425240931026 has 8 divisors (see below), whose sum is σ = 638292097404. Its totient is φ = 212476898560.

The previous prime is 425240931023. The next prime is 425240931047. The reversal of 425240931026 is 620139042524.

It is a Cunningham number, because it is equal to 652105²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 425240931025 + 1 = 652105^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425240931023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71779775 + ... + 71785698.

Almost surely, 2^425240931026 is an apocalyptic number.

425240931026 is a deficient number, since it is larger than the sum of its proper divisors (213051166378).

425240931026 is a wasteful number, since it uses less digits than its factorization.

425240931026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143566956.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 425240931026 in words is "four hundred twenty-five billion, two hundred forty million, nine hundred thirty-one thousand, twenty-six".