426634064 has 10 divisors (see below), whose sum is σ = 826603530. Its totient is φ = 213317024.

The previous prime is 426634063. The next prime is 426634079. The reversal of 426634064 is 460436624.

It can be written as a sum of positive squares in only one way, i.e., 424360000 + 2274064 = 20600^2 + 1508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426634063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13332299 + ... + 13332330.

It is an arithmetic number, because the mean of its divisors is an integer number (82660353).

Almost surely, 2^426634064 is an apocalyptic number.

It is an amenable number.

426634064 is a deficient number, since it is larger than the sum of its proper divisors (399969466).

426634064 is a wasteful number, since it uses less digits than its factorization.

426634064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26664637 (or 26664631 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The square root of 426634064 is about 20655.1219797899. The cubic root of 426634064 is about 752.8096474389.

The spelling of 426634064 in words is "four hundred twenty-six million, six hundred thirty-four thousand, sixty-four".