289401482740 has 24 divisors (see below), whose sum is σ = 611138334240. Its totient is φ = 115113884448.

The previous prime is 289401482737. The next prime is 289401482771. The reversal of 289401482740 is 47284104982.

It is a super-2 number, since 2×289401482740² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40415622 + ... + 40422781.

It is an arithmetic number, because the mean of its divisors is an integer number (25464097260).

Almost surely, 2^289401482740 is an apocalyptic number.

289401482740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289401482740 is an abundant number, since it is smaller than the sum of its proper divisors (321736851500).

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

289401482740 is a wasteful number, since it uses less digits than its factorization.

289401482740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80838591 (or 80838589 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 289401482740 in words is "two hundred eighty-nine billion, four hundred one million, four hundred eighty-two thousand, seven hundred forty".