426622408 has 8 divisors (see below), whose sum is σ = 799917030. Its totient is φ = 213311200.

The previous prime is 426622379. The next prime is 426622421. The reversal of 426622408 is 804226624.

It can be written as a sum of positive squares in only one way, i.e., 315488644 + 111133764 = 17762^2 + 10542^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26663893 + ... + 26663908.

Almost surely, 2^426622408 is an apocalyptic number.

It is an amenable number.

426622408 is a deficient number, since it is larger than the sum of its proper divisors (373294622).

426622408 is a wasteful number, since it uses less digits than its factorization.

426622408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53327807 (or 53327803 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 426622408 is about 20654.8398202455. The cubic root of 426622408 is about 752.8027915798.

The spelling of 426622408 in words is "four hundred twenty-six million, six hundred twenty-two thousand, four hundred eight".