289372047048 has 80 divisors (see below), whose sum is σ = 926296778880. Its totient is φ = 82677726432.

The previous prime is 289372047011. The next prime is 289372047049. The reversal of 289372047048 is 840740273982.

It is a happy number.

289372047048 is a `hidden beast` number, since 2 + 89 + 37 + 20 + 470 + 48 = 666.

It is a super-2 number, since 2×289372047048² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 289372046985 and 289372047003.

It is not an unprimeable number, because it can be changed into a prime (289372047049) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31892736 + ... + 31901807.

It is an arithmetic number, because the mean of its divisors is an integer number (11578709736).

Almost surely, 2^289372047048 is an apocalyptic number.

289372047048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

289372047048 is an abundant number, since it is smaller than the sum of its proper divisors (636924731832).

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

289372047048 is a wasteful number, since it uses less digits than its factorization.

289372047048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63794568 (or 63794555 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 289372047048 in words is "two hundred eighty-nine billion, three hundred seventy-two million, forty-seven thousand, forty-eight".