27629266428 has 48 divisors (see below), whose sum is σ = 71687364000. Its totient is φ = 9202564224.

The previous prime is 27629266421. The next prime is 27629266463. The reversal of 27629266428 is 82466292672.

27629266428 is a `hidden beast` number, since 2 + 7 + 629 + 2 + 6 + 6 + 4 + 2 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27629266421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39978 + ... + 238446.

It is an arithmetic number, because the mean of its divisors is an integer number (1493486750).

Almost surely, 2^27629266428 is an apocalyptic number.

It is an amenable number.

27629266428 is an abundant number, since it is smaller than the sum of its proper divisors (44058097572).

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

27629266428 is a wasteful number, since it uses less digits than its factorization.

27629266428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199771 (or 199763 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 27629266428 in words is "twenty-seven billion, six hundred twenty-nine million, two hundred sixty-six thousand, four hundred twenty-eight".