2404682281 has 8 divisors (see below), whose sum is σ = 2510162504. Its totient is φ = 2301333120.

The previous prime is 2404682279. The next prime is 2404682299. The reversal of 2404682281 is 1822864042.

It is the 20020-th star number.

It can be written as a sum of positive squares in 4 ways, for example, as 813390400 + 1591291881 = 28520^2 + 39891^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2404682281 - 2¹ = 2404682279 is a prime.

It is a super-2 number, since 2×2404682281² = 11564993745110725922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2404682281.

It is not an unprimeable number, because it can be changed into a prime (2404682201) 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, 530460 + ... + 534973.

It is an arithmetic number, because the mean of its divisors is an integer number (313770313).

Almost surely, 2^2404682281 is an apocalyptic number.

It is an amenable number.

2404682281 is a deficient number, since it is larger than the sum of its proper divisors (105480223).

2404682281 is a wasteful number, since it uses less digits than its factorization.

2404682281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065531.

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 2404682281 is about 49037.5599005497. The cubic root of 2404682281 is about 1339.7360215501.

The spelling of 2404682281 in words is "two billion, four hundred four million, six hundred eighty-two thousand, two hundred eighty-one".