289140391254 has 64 divisors (see below), whose sum is σ = 690516304128. Its totient is φ = 79552540800.

The previous prime is 289140391207. The next prime is 289140391271. The reversal of 289140391254 is 452193041982.

It is a happy number.

It is a congruent 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, 2709904 + ... + 2814579.

It is an arithmetic number, because the mean of its divisors is an integer number (10789317252).

Almost surely, 2^289140391254 is an apocalyptic number.

289140391254 is an abundant number, since it is smaller than the sum of its proper divisors (401375912874).

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

289140391254 is a wasteful number, since it uses less digits than its factorization.

289140391254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524573.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 289140391254 in words is "two hundred eighty-nine billion, one hundred forty million, three hundred ninety-one thousand, two hundred fifty-four".