426555534431 has 8 divisors (see below), whose sum is σ = 459397738800. Its totient is φ = 393717650112.

The previous prime is 426555534421. The next prime is 426555534473. The reversal of 426555534431 is 134435555624.

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 426555534431 - 2¹⁸ = 426555272287 is a prime.

It is a super-2 number, since 2×426555534431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426555534421) 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, 873470 + ... + 1271243.

It is an arithmetic number, because the mean of its divisors is an integer number (57424717350).

Almost surely, 2^426555534431 is an apocalyptic number.

426555534431 is a deficient number, since it is larger than the sum of its proper divisors (32842204369).

426555534431 is a wasteful number, since it uses less digits than its factorization.

426555534431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160025.

The product of its digits is 4320000, while the sum is 47.

The spelling of 426555534431 in words is "four hundred twenty-six billion, five hundred fifty-five million, five hundred thirty-four thousand, four hundred thirty-one".