27322899840 has 384 divisors, whose sum is σ = 102751740000. Its totient is φ = 6663831552.

The previous prime is 27322899809. The next prime is 27322899881. The reversal of 27322899840 is 4899822372.

It is a happy number.

27322899840 is a `hidden beast` number, since 273 + 2 + 289 + 98 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a hoax number, since the sum of its digits (54) 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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3169456 + ... + 3178064.

Almost surely, 2^27322899840 is an apocalyptic number.

27322899840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27322899840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51375870000).

27322899840 is an abundant number, since it is smaller than the sum of its proper divisors (75428840160).

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

27322899840 is a wasteful number, since it uses less digits than its factorization.

27322899840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8682 (or 8667 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 27322899840 in words is "twenty-seven billion, three hundred twenty-two million, eight hundred ninety-nine thousand, eight hundred forty".