426403564031 has 8 divisors (see below), whose sum is σ = 427299396480. Its totient is φ = 425508526872.

The previous prime is 426403563977. The next prime is 426403564043. The reversal of 426403564031 is 130465304624.

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

It is a cyclic number.

It is not a de Polignac number, because 426403564031 - 2⁶ = 426403563967 is a prime.

It is a super-2 number, since 2×426403564031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426403524031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880766 + ... + 1276148.

It is an arithmetic number, because the mean of its divisors is an integer number (53412424560).

Almost surely, 2^426403564031 is an apocalyptic number.

426403564031 is a deficient number, since it is larger than the sum of its proper divisors (895832449).

426403564031 is a wasteful number, since it uses less digits than its factorization.

426403564031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397645.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 426403564031 its reverse (130465304624), we get a palindrome (556868868655).

The spelling of 426403564031 in words is "four hundred twenty-six billion, four hundred three million, five hundred sixty-four thousand, thirty-one".