426304444546 has 4 divisors (see below), whose sum is σ = 639456666822. Its totient is φ = 213152222272.

The previous prime is 426304444543. The next prime is 426304444591. The reversal of 426304444546 is 645444403624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 244738973521 + 181565471025 = 494711^2 + 426105^2 .

It is a super-2 number, since 2×426304444546² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 426304444496 and 426304444505.

It is not an unprimeable number, because it can be changed into a prime (426304444543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106576111135 + ... + 106576111138.

Almost surely, 2^426304444546 is an apocalyptic number.

426304444546 is a deficient number, since it is larger than the sum of its proper divisors (213152222276).

426304444546 is a wasteful number, since it uses less digits than its factorization.

426304444546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213152222275.

The product of its (nonzero) digits is 4423680, while the sum is 46.

The spelling of 426304444546 in words is "four hundred twenty-six billion, three hundred four million, four hundred forty-four thousand, five hundred forty-six".