426630554 has 12 divisors (see below), whose sum is σ = 744426954. Its totient is φ = 182841624.

The previous prime is 426630539. The next prime is 426630559. The reversal of 426630554 is 455036624.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 360126529 + 66504025 = 18977^2 + 8155^2 .

It is not an unprimeable number, because it can be changed into a prime (426630559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2176589 + ... + 2176784.

Almost surely, 2^426630554 is an apocalyptic number.

426630554 is a deficient number, since it is larger than the sum of its proper divisors (317796400).

426630554 is a wasteful number, since it uses less digits than its factorization.

426630554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353389 (or 4353382 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 426630554 is about 20655.0370127967. The cubic root of 426630554 is about 752.8075829303.

The spelling of 426630554 in words is "four hundred twenty-six million, six hundred thirty thousand, five hundred fifty-four".