28045396476 has 48 divisors (see below), whose sum is σ = 73265364480. Its totient is φ = 9277098480.

The previous prime is 28045396453. The next prime is 28045396499. The reversal of 28045396476 is 67469354082.

28045396476 is a `hidden beast` number, since 2 + 80 + 4 + 5 + 3 + 96 + 476 = 666.

It is an interprime number because it is at equal distance from previous prime (28045396453) and next prime (28045396499).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 976996 + ... + 1005291.

It is an arithmetic number, because the mean of its divisors is an integer number (1526361760).

Almost surely, 2^28045396476 is an apocalyptic number.

It is an amenable number.

28045396476 is an abundant number, since it is smaller than the sum of its proper divisors (45219968004).

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

28045396476 is a wasteful number, since it uses less digits than its factorization.

28045396476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982431 (or 1982423 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 28045396476 in words is "twenty-eight billion, forty-five million, three hundred ninety-six thousand, four hundred seventy-six".