28406410945 has 32 divisors (see below), whose sum is σ = 38165105664. Its totient is φ = 20122603200.

The previous prime is 28406410943. The next prime is 28406410993. The reversal of 28406410945 is 54901460482.

It is not a de Polignac number, because 28406410945 - 2¹ = 28406410943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28406410943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280294 + ... + 367936.

It is an arithmetic number, because the mean of its divisors is an integer number (1192659552).

Almost surely, 2^28406410945 is an apocalyptic number.

It is an amenable number.

28406410945 is a deficient number, since it is larger than the sum of its proper divisors (9758694719).

28406410945 is a wasteful number, since it uses less digits than its factorization.

28406410945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87813.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 28406410945 in words is "twenty-eight billion, four hundred six million, four hundred ten thousand, nine hundred forty-five".