1127296440 has 224 divisors, whose sum is σ = 3866334480. Its totient is φ = 295612416.

The previous prime is 1127296397. The next prime is 1127296453. The reversal of 1127296440 is 446927211.

It is a happy number.

1127296440 is a `hidden beast` number, since 1 + 1 + 2 + 7 + 2 + 9 + 644 + 0 = 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 = 1127296395 and 1127296404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1953432 + ... + 1954008.

Almost surely, 2^1127296440 is an apocalyptic number.

1127296440 is a gapful number since it is divisible by the number (10) 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 1127296440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1933167240).

1127296440 is an abundant number, since it is smaller than the sum of its proper divisors (2739038040).

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

1127296440 is an equidigital number, since it uses as much as digits as its factorization.

1127296440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1127296440 is about 33575.2355166721. The cubic root of 1127296440 is about 1040.7491028033.

The spelling of 1127296440 in words is "one billion, one hundred twenty-seven million, two hundred ninety-six thousand, four hundred forty".