289245762940 has 24 divisors (see below), whose sum is σ = 607616235072. Its totient is φ = 115660184640.

The previous prime is 289245762937. The next prime is 289245762941. The reversal of 289245762940 is 49267542982.

It is a super-2 number, since 2×289245762940² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289245762941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2320276 + ... + 2441755.

It is an arithmetic number, because the mean of its divisors is an integer number (25317343128).

Almost surely, 2^289245762940 is an apocalyptic number.

289245762940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289245762940 is an abundant number, since it is smaller than the sum of its proper divisors (318370472132).

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

289245762940 is a wasteful number, since it uses less digits than its factorization.

289245762940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765077 (or 4765075 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 289245762940 in words is "two hundred eighty-nine billion, two hundred forty-five million, seven hundred sixty-two thousand, nine hundred forty".