426144654 has 144 divisors (see below), whose sum is σ = 1077401520. Its totient is φ = 121305600.

The previous prime is 426144643. The next prime is 426144679. The reversal of 426144654 is 456441624.

It is a super-2 number, since 2×426144654² = 363198532265559432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4219204 + ... + 4219304.

It is an arithmetic number, because the mean of its divisors is an integer number (7481955).

Almost surely, 2^426144654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426144654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538700760).

426144654 is an abundant number, since it is smaller than the sum of its proper divisors (651256866).

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

426144654 is a wasteful number, since it uses less digits than its factorization.

426144654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 211 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 426144654 is about 20643.2713977218. The cubic root of 426144654 is about 752.5216773555.

The spelling of 426144654 in words is "four hundred twenty-six million, one hundred forty-four thousand, six hundred fifty-four".