256030453030 has 16 divisors (see below), whose sum is σ = 502750707984. Its totient is φ = 93101982880.

The previous prime is 256030452989. The next prime is 256030453031. The reversal of 256030453030 is 30354030652.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 256030452983 and 256030453001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256030453031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163774677 + ... + 1163774896.

It is an arithmetic number, because the mean of its divisors is an integer number (31421919249).

Almost surely, 2^256030453030 is an apocalyptic number.

256030453030 is a deficient number, since it is larger than the sum of its proper divisors (246720254954).

256030453030 is a wasteful number, since it uses less digits than its factorization.

256030453030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327549591.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 256030453030 its reverse (30354030652), we get a palindrome (286384483682).

The spelling of 256030453030 in words is "two hundred fifty-six billion, thirty million, four hundred fifty-three thousand, thirty".