28133462401 has 8 divisors (see below), whose sum is σ = 32496405984. Its totient is φ = 24071411520.

The previous prime is 28133462389. The next prime is 28133462407. The reversal of 28133462401 is 10426433182.

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 28133462401 - 2¹⁷ = 28133331329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28133462407) 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, 75222975 + ... + 75223348.

It is an arithmetic number, because the mean of its divisors is an integer number (4062050748).

Almost surely, 2^28133462401 is an apocalyptic number.

It is an amenable number.

28133462401 is a deficient number, since it is larger than the sum of its proper divisors (4362943583).

28133462401 is a wasteful number, since it uses less digits than its factorization.

28133462401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150446351.

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 28133462401 its reverse (10426433182), we get a palindrome (38559895583).

The spelling of 28133462401 in words is "twenty-eight billion, one hundred thirty-three million, four hundred sixty-two thousand, four hundred one".