254320538690 has 64 divisors (see below), whose sum is σ = 491214896640. Its totient is φ = 94507096320.

The previous prime is 254320538687. The next prime is 254320538707. The reversal of 254320538690 is 96835023452.

It is a super-2 number, since 2×254320538690² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23971367 + ... + 23981973.

It is an arithmetic number, because the mean of its divisors is an integer number (7675232760).

Almost surely, 2^254320538690 is an apocalyptic number.

254320538690 is a deficient number, since it is larger than the sum of its proper divisors (236894357950).

254320538690 is a wasteful number, since it uses less digits than its factorization.

254320538690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13067.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 254320538690 in words is "two hundred fifty-four billion, three hundred twenty million, five hundred thirty-eight thousand, six hundred ninety".