254640021331334 has 16 divisors (see below), whose sum is σ = 387737142374400. Its totient is φ = 125408731951944.

The previous prime is 254640021331229. The next prime is 254640021331447. The reversal of 254640021331334 is 433133120046452.

It is a junction number, because it is equal to n+sod(n) for n = 254640021331291 and 254640021331300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3606150914 + ... + 3606221525.

It is an arithmetic number, because the mean of its divisors is an integer number (24233571398400).

Almost surely, 2^{254640021331334} is an apocalyptic number.

254640021331334 is a deficient number, since it is larger than the sum of its proper divisors (133097121043066).

254640021331334 is a wasteful number, since it uses less digits than its factorization.

254640021331334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7212372707.

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 254640021331334 its reverse (433133120046452), we get a palindrome (687773141377786).

The spelling of 254640021331334 in words is "two hundred fifty-four trillion, six hundred forty billion, twenty-one million, three hundred thirty-one thousand, three hundred thirty-four".