1260228416 has 56 divisors (see below), whose sum is σ = 2547884160. Its totient is φ = 618329600.

The previous prime is 1260228413. The next prime is 1260228421. The reversal of 1260228416 is 6148220621.

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

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260228413) 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, 1221821 + ... + 1222851.

Almost surely, 2^1260228416 is an apocalyptic number.

1260228416 is a gapful number since it is divisible by the number (16) 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 1260228416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1273942080).

1260228416 is an abundant number, since it is smaller than the sum of its proper divisors (1287655744).

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

1260228416 is a wasteful number, since it uses less digits than its factorization.

1260228416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1260228416 is about 35499.6959986984. The cubic root of 1260228416 is about 1080.1475609991.

The spelling of 1260228416 in words is "one billion, two hundred sixty million, two hundred twenty-eight thousand, four hundred sixteen".