253400404030 has 32 divisors (see below), whose sum is σ = 481995372960. Its totient is φ = 95651758080.

The previous prime is 253400404027. The next prime is 253400404031. The reversal of 253400404030 is 30404004352.

It is a junction number, because it is equal to n+sod(n) for n = 253400403986 and 253400404004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253400404031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2545891 + ... + 2643550.

It is an arithmetic number, because the mean of its divisors is an integer number (15062355405).

Almost surely, 2^253400404030 is an apocalyptic number.

253400404030 is a deficient number, since it is larger than the sum of its proper divisors (228594968930).

253400404030 is a wasteful number, since it uses less digits than its factorization.

253400404030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189724.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 253400404030 its reverse (30404004352), we get a palindrome (283804408382).

The spelling of 253400404030 in words is "two hundred fifty-three billion, four hundred million, four hundred four thousand, thirty".