1272466944 has 240 divisors, whose sum is σ = 4248870912. Its totient is φ = 359092224.

The previous prime is 1272466933. The next prime is 1272466957. The reversal of 1272466944 is 4496642721.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1272466944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3322177 + ... + 3322559.

Almost surely, 2^1272466944 is an apocalyptic number.

1272466944 is a gapful number since it is divisible by the number (14) 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 1272466944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2124435456).

1272466944 is an abundant number, since it is smaller than the sum of its proper divisors (2976403968).

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

1272466944 is a wasteful number, since it uses less digits than its factorization.

1272466944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 498 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 1272466944 is about 35671.6546294113. The cubic root of 1272466944 is about 1083.6328690514.

The spelling of 1272466944 in words is "one billion, two hundred seventy-two million, four hundred sixty-six thousand, nine hundred forty-four".