289786964040 has 160 divisors (see below), whose sum is σ = 1113150012480. Its totient is φ = 66237015168.

The previous prime is 289786964039. The next prime is 289786964099. The reversal of 289786964040 is 40469687982.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6365922 + ... + 6411281.

It is an arithmetic number, because the mean of its divisors is an integer number (6957187578).

Almost surely, 2^289786964040 is an apocalyptic number.

289786964040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289786964040 is an abundant number, since it is smaller than the sum of its proper divisors (823363048440).

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

289786964040 is a wasteful number, since it uses less digits than its factorization.

289786964040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12777233 (or 12777220 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 289786964040 in words is "two hundred eighty-nine billion, seven hundred eighty-six million, nine hundred sixty-four thousand, forty".