28434469752 has 48 divisors (see below), whose sum is σ = 82933872840. Its totient is φ = 8749067328.

The previous prime is 28434469669. The next prime is 28434469813. The reversal of 28434469752 is 25796443482.

It is a happy number.

28434469752 is a `hidden beast` number, since 2 + 84 + 34 + 469 + 75 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15188418 + ... + 15190289.

Almost surely, 2^28434469752 is an apocalyptic number.

It is an amenable number.

28434469752 is an abundant number, since it is smaller than the sum of its proper divisors (54499403088).

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

28434469752 is a wasteful number, since it uses less digits than its factorization.

28434469752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30378732 (or 30378725 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 28434469752 in words is "twenty-eight billion, four hundred thirty-four million, four hundred sixty-nine thousand, seven hundred fifty-two".