30400275256 has 16 divisors (see below), whose sum is σ = 61385171400. Its totient is φ = 14030896224.

The previous prime is 30400275233. The next prime is 30400275259. The reversal of 30400275256 is 65257200403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30400275259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146155066 + ... + 146155273.

Almost surely, 2^30400275256 is an apocalyptic number.

It is an amenable number.

30400275256 is an abundant number, since it is smaller than the sum of its proper divisors (30984896144).

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

30400275256 is a wasteful number, since it uses less digits than its factorization.

30400275256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292310358 (or 292310354 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

Adding to 30400275256 its reverse (65257200403), we get a palindrome (95657475659).

The spelling of 30400275256 in words is "thirty billion, four hundred million, two hundred seventy-five thousand, two hundred fifty-six".