281083425480 has 512 divisors, whose sum is σ = 1102381056000. Its totient is φ = 62806440960.

The previous prime is 281083425457. The next prime is 281083425517. The reversal of 281083425480 is 84524380182.

281083425480 is a `hidden beast` number, since 28 + 1 + 0 + 83 + 4 + 2 + 548 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 197528049 + ... + 197529471.

It is an arithmetic number, because the mean of its divisors is an integer number (2153088000).

Almost surely, 2^281083425480 is an apocalyptic number.

281083425480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 281083425480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551190528000).

281083425480 is an abundant number, since it is smaller than the sum of its proper divisors (821297630520).

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

281083425480 is a wasteful number, since it uses less digits than its factorization.

281083425480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746 (or 2736 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 281083425480 in words is "two hundred eighty-one billion, eighty-three million, four hundred twenty-five thousand, four hundred eighty".