426661045 has 8 divisors (see below), whose sum is σ = 513884160. Its totient is φ = 340068240.

The previous prime is 426661031. The next prime is 426661073. The reversal of 426661045 is 540166624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426661045 - 2⁵ = 426661013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426661045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156085 + ... + 158794.

It is an arithmetic number, because the mean of its divisors is an integer number (64235520).

Almost surely, 2^426661045 is an apocalyptic number.

It is an amenable number.

426661045 is a deficient number, since it is larger than the sum of its proper divisors (87223115).

426661045 is a wasteful number, since it uses less digits than its factorization.

426661045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315155.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 426661045 is about 20655.7751004410. The cubic root of 426661045 is about 752.8255167210.

The spelling of 426661045 in words is "four hundred twenty-six million, six hundred sixty-one thousand, forty-five".