1442542540 has 24 divisors (see below), whose sum is σ = 3030278832. Its totient is φ = 576838080.

The previous prime is 1442542537. The next prime is 1442542553. The reversal of 1442542540 is 452452441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68910 + ... + 87370.

It is an arithmetic number, because the mean of its divisors is an integer number (126261618).

Almost surely, 2^1442542540 is an apocalyptic number.

1442542540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442542540 is an abundant number, since it is smaller than the sum of its proper divisors (1587736292).

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

1442542540 is a wasteful number, since it uses less digits than its factorization.

1442542540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22377 (or 22375 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 1442542540 is about 37980.8180533279. The cubic root of 1442542540 is about 1129.9074610308.

Adding to 1442542540 its reverse (452452441), we get a palindrome (1894994981).

Subtracting from 1442542540 its reverse (452452441), we obtain a palindrome (990090099).

It can be divided in two parts, 14425 and 42540, that added together give a palindrome (56965).

The spelling of 1442542540 in words is "one billion, four hundred forty-two million, five hundred forty-two thousand, five hundred forty".