284155731264 has 28 divisors (see below), whose sum is σ = 751828706144. Its totient is φ = 94718577024.

The previous prime is 284155731263. The next prime is 284155731311. The reversal of 284155731264 is 462137551482.

It is a super-2 number, since 2×284155731264² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284155731263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739988692 + ... + 739989075.

Almost surely, 2^284155731264 is an apocalyptic number.

284155731264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

284155731264 is an abundant number, since it is smaller than the sum of its proper divisors (467672974880).

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

284155731264 is a wasteful number, since it uses less digits than its factorization.

284155731264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479977782 (or 1479977772 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The spelling of 284155731264 in words is "two hundred eighty-four billion, one hundred fifty-five million, seven hundred thirty-one thousand, two hundred sixty-four".