426021455 has 8 divisors (see below), whose sum is σ = 528854400. Its totient is φ = 329064736.

The previous prime is 426021403. The next prime is 426021457. The reversal of 426021455 is 554120624.

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

It is a cyclic number.

It is not a de Polignac number, because 426021455 - 2⁶ = 426021391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426021457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468895 + ... + 1469184.

It is an arithmetic number, because the mean of its divisors is an integer number (66106800).

Almost surely, 2^426021455 is an apocalyptic number.

426021455 is a deficient number, since it is larger than the sum of its proper divisors (102832945).

426021455 is a wasteful number, since it uses less digits than its factorization.

426021455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938113.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 426021455 is about 20640.2871830796. The cubic root of 426021455 is about 752.4491520187.

The spelling of 426021455 in words is "four hundred twenty-six million, twenty-one thousand, four hundred fifty-five".