28141343802 has 96 divisors (see below), whose sum is σ = 75402774720. Its totient is φ = 7457391360.

The previous prime is 28141343777. The next prime is 28141343807. The reversal of 28141343802 is 20834314182.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28141343807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238803 + ... + 336614.

It is an arithmetic number, because the mean of its divisors is an integer number (785445570).

Almost surely, 2^28141343802 is an apocalyptic number.

28141343802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28141343802 is an abundant number, since it is smaller than the sum of its proper divisors (47261430918).

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

28141343802 is a wasteful number, since it uses less digits than its factorization.

28141343802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575468 (or 575465 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

Adding to 28141343802 its reverse (20834314182), we get a palindrome (48975657984).

The spelling of 28141343802 in words is "twenty-eight billion, one hundred forty-one million, three hundred forty-three thousand, eight hundred two".