281432250960 has 80 divisors (see below), whose sum is σ = 997074266496. Its totient is φ = 64327371264.

The previous prime is 281432250899. The next prime is 281432251039. The reversal of 281432250960 is 69052234182.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×281432250960² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83757919 + ... + 83761278.

Almost surely, 2^281432250960 is an apocalyptic number.

281432250960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

281432250960 is an abundant number, since it is smaller than the sum of its proper divisors (715642015536).

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

281432250960 is a wasteful number, since it uses less digits than its factorization.

281432250960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167519220 (or 167519214 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 281432250960 in words is "two hundred eighty-one billion, four hundred thirty-two million, two hundred fifty thousand, nine hundred sixty".