28464451932 has 48 divisors (see below), whose sum is σ = 76819744512. Its totient is φ = 8034714240.

The previous prime is 28464451921. The next prime is 28464451963. The reversal of 28464451932 is 23915446482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2034369 + ... + 2048312.

It is an arithmetic number, because the mean of its divisors is an integer number (1600411344).

Almost surely, 2^28464451932 is an apocalyptic number.

It is an amenable number.

28464451932 is an abundant number, since it is smaller than the sum of its proper divisors (48355292580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28464451932 is a wasteful number, since it uses less digits than its factorization.

28464451932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082778 (or 4082776 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The spelling of 28464451932 in words is "twenty-eight billion, four hundred sixty-four million, four hundred fifty-one thousand, nine hundred thirty-two".