27142093440 has 512 divisors, whose sum is σ = 119854080000. Its totient is φ = 5639639040.

The previous prime is 27142093423. The next prime is 27142093471. The reversal of 27142093440 is 4439024172.

27142093440 is a `hidden beast` number, since 2 + 7 + 1 + 4 + 209 + 3 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 27142093395 and 27142093404.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1320361 + ... + 1340759.

It is an arithmetic number, because the mean of its divisors is an integer number (234090000).

Almost surely, 2^27142093440 is an apocalyptic number.

27142093440 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 27142093440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59927040000).

27142093440 is an abundant number, since it is smaller than the sum of its proper divisors (92711986560).

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

27142093440 is a wasteful number, since it uses less digits than its factorization.

27142093440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20445 (or 20427 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 27142093440 in words is "twenty-seven billion, one hundred forty-two million, ninety-three thousand, four hundred forty".