1442536920 has 192 divisors, whose sum is σ = 5173178400. Its totient is φ = 345692160.

The previous prime is 1442536903. The next prime is 1442536951. The reversal of 1442536920 is 296352441.

It is a happy number.

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 47 ways as a sum of consecutive naturals, for example, 350394 + ... + 354486.

Almost surely, 2^1442536920 is an apocalyptic number.

1442536920 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 1442536920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2586589200).

1442536920 is an abundant number, since it is smaller than the sum of its proper divisors (3730641480).

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

1442536920 is a wasteful number, since it uses less digits than its factorization.

1442536920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210 (or 4203 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1442536920 is about 37980.7440685408. The cubic root of 1442536920 is about 1129.9059936938.

The spelling of 1442536920 in words is "one billion, four hundred forty-two million, five hundred thirty-six thousand, nine hundred twenty".