27802453404 has 24 divisors (see below), whose sum is σ = 70769881728. Its totient is φ = 8424985840.

The previous prime is 27802453387. The next prime is 27802453501. The reversal of 27802453404 is 40435420872.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 105312192 + ... + 105312455.

It is an arithmetic number, because the mean of its divisors is an integer number (2948745072).

Almost surely, 2^27802453404 is an apocalyptic number.

It is an amenable number.

27802453404 is an abundant number, since it is smaller than the sum of its proper divisors (42967428324).

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

27802453404 is a wasteful number, since it uses less digits than its factorization.

27802453404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210624665 (or 210624663 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

The spelling of 27802453404 in words is "twenty-seven billion, eight hundred two million, four hundred fifty-three thousand, four hundred four".