426448964 has 6 divisors (see below), whose sum is σ = 746285694. Its totient is φ = 213224480.

The previous prime is 426448889. The next prime is 426448969. The reversal of 426448964 is 469844624.

It can be written as a sum of positive squares in only one way, i.e., 417793600 + 8655364 = 20440^2 + 2942^2 .

It is not an unprimeable number, because it can be changed into a prime (426448969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53306117 + ... + 53306124.

It is an arithmetic number, because the mean of its divisors is an integer number (124380949).

Almost surely, 2^426448964 is an apocalyptic number.

It is an amenable number.

426448964 is a deficient number, since it is larger than the sum of its proper divisors (319836730).

426448964 is a wasteful number, since it uses less digits than its factorization.

426448964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106612245 (or 106612243 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 47.

The square root of 426448964 is about 20650.6407648770. The cubic root of 426448964 is about 752.7007600383.

The spelling of 426448964 in words is "four hundred twenty-six million, four hundred forty-eight thousand, nine hundred sixty-four".