27554045420 has 48 divisors (see below), whose sum is σ = 63402006528. Its totient is φ = 9975495360.

The previous prime is 27554045377. The next prime is 27554045459. The reversal of 27554045420 is 2454045572.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225932 + ... + 325811.

It is an arithmetic number, because the mean of its divisors is an integer number (1320875136).

Almost surely, 2^27554045420 is an apocalyptic number.

27554045420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27554045420 is an abundant number, since it is smaller than the sum of its proper divisors (35847961108).

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

27554045420 is a wasteful number, since it uses less digits than its factorization.

27554045420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551990 (or 551988 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 38.

The spelling of 27554045420 in words is "twenty-seven billion, five hundred fifty-four million, forty-five thousand, four hundred twenty".