11860727940 has 84 divisors (see below), whose sum is σ = 37344255564. Its totient is φ = 3162856896.

The previous prime is 11860727939. The next prime is 11860727947. The reversal of 11860727940 is 4972706811.

It is a happy number.

11860727940 is a `hidden beast` number, since 1 + 18 + 607 + 27 + 9 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3502745856 + 8357982084 = 59184^2 + 91422^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11860727947) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 392167 + ... + 421326.

It is an arithmetic number, because the mean of its divisors is an integer number (444574471).

Almost surely, 2^11860727940 is an apocalyptic number.

11860727940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11860727940 is an abundant number, since it is smaller than the sum of its proper divisors (25483527624).

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

11860727940 is an equidigital number, since it uses as much as digits as its factorization.

11860727940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813520 (or 813503 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 11860727940 in words is "eleven billion, eight hundred sixty million, seven hundred twenty-seven thousand, nine hundred forty".