30453426 has 48 divisors (see below), whose sum is σ = 72918144. Its totient is φ = 9136512.

The previous prime is 30453421. The next prime is 30453433. The reversal of 30453426 is 62435403.

30453426 = 1049² + 1050² + ... + 1075².

It is a super-2 number, since 2×30453426² = 1854822310274952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30453426.

It is not an unprimeable number, because it can be changed into a prime (30453421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4875 + ... + 9201.

It is an arithmetic number, because the mean of its divisors is an integer number (1519128).

Almost surely, 2^30453426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30453426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36459072).

30453426 is an abundant number, since it is smaller than the sum of its proper divisors (42464718).

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

30453426 is a wasteful number, since it uses less digits than its factorization.

30453426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375 (or 4372 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 30453426 is about 5518.4622858184. The cubic root of 30453426 is about 312.2808737971.

Adding to 30453426 its reverse (62435403), we get a palindrome (92888829).

The spelling of 30453426 in words is "thirty million, four hundred fifty-three thousand, four hundred twenty-six".