27373700240 has 160 divisors (see below), whose sum is σ = 68635607040. Its totient is φ = 10127513088.

The previous prime is 27373700231. The next prime is 27373700243. The reversal of 27373700240 is 4200737372.

It is a self number, because there is not a number n which added to its sum of digits gives 27373700240.

It is not an unprimeable number, because it can be changed into a prime (27373700243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8147681 + ... + 8151039.

It is an arithmetic number, because the mean of its divisors is an integer number (428972544).

Almost surely, 2^27373700240 is an apocalyptic number.

27373700240 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 27373700240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34317803520).

27373700240 is an abundant number, since it is smaller than the sum of its proper divisors (41261906800).

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

27373700240 is a wasteful number, since it uses less digits than its factorization.

27373700240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541 (or 3535 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 35.

The spelling of 27373700240 in words is "twenty-seven billion, three hundred seventy-three million, seven hundred thousand, two hundred forty".