281085490887036 has 96 divisors (see below), whose sum is σ = 715790681948160. Its totient is φ = 85141673649600.

The previous prime is 281085490886989. The next prime is 281085490887043. The reversal of 281085490887036 is 630788094580182.

It is a super-2 number, since 2×281085490887036² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3616092291 + ... + 3616170021.

It is an arithmetic number, because the mean of its divisors is an integer number (7456152936960).

It is a 1-persistent number, because it is pandigital, but 2⋅281085490887036 = 562170981774072 is not.

Almost surely, 2^{281085490887036} is an apocalyptic number.

It is an amenable number.

281085490887036 is an abundant number, since it is smaller than the sum of its proper divisors (434705191061124).

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

281085490887036 is a wasteful number, since it uses less digits than its factorization.

281085490887036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88895 (or 88893 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 69.

The spelling of 281085490887036 in words is "two hundred eighty-one trillion, eighty-five billion, four hundred ninety million, eight hundred eighty-seven thousand, thirty-six".