11927034440 has 32 divisors (see below), whose sum is σ = 26839107000. Its totient is φ = 4770230784.

The previous prime is 11927034391. The next prime is 11927034443. The reversal of 11927034440 is 4443072911.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10169915716 + 1757118724 = 100846^2 + 41918^2 .

It is a super-2 number, since 2×11927034440² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11927034440.

It is not an unprimeable number, because it can be changed into a prime (11927034443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484346 + ... + 508374.

Almost surely, 2^11927034440 is an apocalyptic number.

11927034440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11927034440 is an abundant number, since it is smaller than the sum of its proper divisors (14912072560).

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

11927034440 is a wasteful number, since it uses less digits than its factorization.

11927034440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36449 (or 36445 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 11927034440 in words is "eleven billion, nine hundred twenty-seven million, thirty-four thousand, four hundred forty".