45428884831 has 16 divisors (see below), whose sum is σ = 52521225120. Its totient is φ = 38834657280.

The previous prime is 45428884829. The next prime is 45428884847. The reversal of 45428884831 is 13848882454.

It is a cyclic number.

It is not a de Polignac number, because 45428884831 - 2¹ = 45428884829 is a prime.

It is a super-2 number, since 2×45428884831² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45428884871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100135 + ... + 317623.

It is an arithmetic number, because the mean of its divisors is an integer number (3282576570).

Almost surely, 2^45428884831 is an apocalyptic number.

45428884831 is a deficient number, since it is larger than the sum of its proper divisors (7092340289).

45428884831 is a wasteful number, since it uses less digits than its factorization.

45428884831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218634.

The product of its digits is 7864320, while the sum is 55.

The spelling of 45428884831 in words is "forty-five billion, four hundred twenty-eight million, eight hundred eighty-four thousand, eight hundred thirty-one".