1442881260 has 72 divisors (see below), whose sum is σ = 4408762176. Its totient is φ = 381953280.

The previous prime is 1442881249. The next prime is 1442881303. The reversal of 1442881260 is 621882441.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 4596 + ... + 53915.

It is an arithmetic number, because the mean of its divisors is an integer number (61232808).

Almost surely, 2^1442881260 is an apocalyptic number.

1442881260 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 1442881260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2204381088).

1442881260 is an abundant number, since it is smaller than the sum of its proper divisors (2965880916).

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

1442881260 is a wasteful number, since it uses less digits than its factorization.

1442881260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58663 (or 58658 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 1442881260 is about 37985.2768846036. The cubic root of 1442881260 is about 1129.9958910755.

The spelling of 1442881260 in words is "one billion, four hundred forty-two million, eight hundred eighty-one thousand, two hundred sixty".