426637404 has 36 divisors (see below), whose sum is σ = 1093224496. Its totient is φ = 140263488.

The previous prime is 426637403. The next prime is 426637427. The reversal of 426637404 is 404736624.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426637403) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 78544 + ... + 83799.

Almost surely, 2^426637404 is an apocalyptic number.

It is an amenable number.

426637404 is an abundant number, since it is smaller than the sum of its proper divisors (666587092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426637404 is a wasteful number, since it uses less digits than its factorization.

426637404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162426 (or 162421 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 426637404 is about 20655.2028312481. The cubic root of 426637404 is about 752.8116119466.

The spelling of 426637404 in words is "four hundred twenty-six million, six hundred thirty-seven thousand, four hundred four".