1126446440 has 32 divisors (see below), whose sum is σ = 2896577280. Its totient is φ = 386210112.

The previous prime is 1126446437. The next prime is 1126446443. The reversal of 1126446440 is 446446211.

It is an interprime number because it is at equal distance from previous prime (1126446437) and next prime (1126446443).

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1126446397 and 1126446406.

It is not an unprimeable number, because it can be changed into a prime (1126446443) 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, 2011232 + ... + 2011791.

It is an arithmetic number, because the mean of its divisors is an integer number (90518040).

Almost surely, 2^1126446440 is an apocalyptic number.

1126446440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1126446440 is an abundant number, since it is smaller than the sum of its proper divisors (1770130840).

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

1126446440 is a wasteful number, since it uses less digits than its factorization.

1126446440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023041 (or 4023037 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 1126446440 is about 33562.5749906052. The cubic root of 1126446440 is about 1040.4874564008.

The spelling of 1126446440 in words is "one billion, one hundred twenty-six million, four hundred forty-six thousand, four hundred forty".