1405628882281 has 8 divisors (see below), whose sum is σ = 1514392659584. Its totient is φ = 1296956316240.

The previous prime is 1405628882233. The next prime is 1405628882321. The reversal of 1405628882281 is 1822888265041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1405628882281 - 2¹¹ = 1405628880233 is a prime.

It is a super-2 number, since 2×1405628882281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1405628882381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22770801 + ... + 22832446.

It is an arithmetic number, because the mean of its divisors is an integer number (189299082448).

Almost surely, 2^{1405628882281} is an apocalyptic number.

It is an amenable number.

1405628882281 is a deficient number, since it is larger than the sum of its proper divisors (108763777303).

1405628882281 is a wasteful number, since it uses less digits than its factorization.

1405628882281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45605631.

The product of its (nonzero) digits is 3932160, while the sum is 55.

The spelling of 1405628882281 in words is "one trillion, four hundred five billion, six hundred twenty-eight million, eight hundred eighty-two thousand, two hundred eighty-one".