30400026 has 32 divisors (see below), whose sum is σ = 63272448. Its totient is φ = 9726720.

The previous prime is 30400003. The next prime is 30400031. The reversal of 30400026 is 62000403.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30399978 and 30400014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24886 + ... + 26078.

It is an arithmetic number, because the mean of its divisors is an integer number (1977264).

Almost surely, 2^30400026 is an apocalyptic number.

30400026 is an abundant number, since it is smaller than the sum of its proper divisors (32872422).

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

30400026 is a wasteful number, since it uses less digits than its factorization.

30400026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30400026 is about 5513.6218586334. The cubic root of 30400026 is about 312.0982391169.

Adding to 30400026 its reverse (62000403), we get a palindrome (92400429).

The spelling of 30400026 in words is "thirty million, four hundred thousand, twenty-six".