30426256 has 45 divisors (see below), whose sum is σ = 68925369. Its totient is φ = 12973632.

The previous prime is 30426233. The next prime is 30426271. The reversal of 30426256 is 65262403.

It is a happy number.

The square root of 30426256 is 5516.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 29811600 + 614656 = 5460^2 + 784^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 154350 + ... + 154546.

Almost surely, 2^30426256 is an apocalyptic number.

30426256 is the 5516-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30426256

30426256 is an abundant number, since it is smaller than the sum of its proper divisors (38499113).

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

30426256 is an equidigital number, since it uses as much as digits as its factorization.

30426256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The cubic root of 30426256 is about 312.1879757010.

Adding to 30426256 its reverse (65262403), we get a palindrome (95688659).

The spelling of 30426256 in words is "thirty million, four hundred twenty-six thousand, two hundred fifty-six".