426156312644 has 6 divisors (see below), whose sum is σ = 745773547134. Its totient is φ = 213078156320.

The previous prime is 426156312641. The next prime is 426156312671. The reversal of 426156312644 is 446213651624.

It can be written as a sum of positive squares in only one way, i.e., 290262337600 + 135893975044 = 538760^2 + 368638^2 .

It is a junction number, because it is equal to n+sod(n) for n = 426156312595 and 426156312604.

It is not an unprimeable number, because it can be changed into a prime (426156312641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53269539077 + ... + 53269539084.

It is an arithmetic number, because the mean of its divisors is an integer number (124295591189).

Almost surely, 2^426156312644 is an apocalyptic number.

It is an amenable number.

426156312644 is a deficient number, since it is larger than the sum of its proper divisors (319617234490).

426156312644 is a wasteful number, since it uses less digits than its factorization.

426156312644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106539078165 (or 106539078163 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The spelling of 426156312644 in words is "four hundred twenty-six billion, one hundred fifty-six million, three hundred twelve thousand, six hundred forty-four".