1442719800 has 144 divisors (see below), whose sum is σ = 4895676240. Its totient is φ = 380712960.

The previous prime is 1442719763. The next prime is 1442719813. The reversal of 1442719800 is 89172441.

1442719800 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 170469 + ... + 178731.

Almost surely, 2^1442719800 is an apocalyptic number.

1442719800 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 1442719800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2447838120).

1442719800 is an abundant number, since it is smaller than the sum of its proper divisors (3452956440).

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

1442719800 is a wasteful number, since it uses less digits than its factorization.

1442719800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8382 (or 8370 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1442719800 is about 37983.1515280130. The cubic root of 1442719800 is about 1129.9537402422.

The spelling of 1442719800 in words is "one billion, four hundred forty-two million, seven hundred nineteen thousand, eight hundred".