1442504890 has 32 divisors (see below), whose sum is σ = 2757395520. Its totient is φ = 541787904.

The previous prime is 1442504873. The next prime is 1442504897. The reversal of 1442504890 is 984052441.

It is not an unprimeable number, because it can be changed into a prime (1442504897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12124 + ... + 55063.

It is an arithmetic number, because the mean of its divisors is an integer number (86168610).

Almost surely, 2^1442504890 is an apocalyptic number.

1442504890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1442504890 is a deficient number, since it is larger than the sum of its proper divisors (1314890630).

1442504890 is a wasteful number, since it uses less digits than its factorization.

1442504890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67326.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1442504890 is about 37980.3224051613. The cubic root of 1442504890 is about 1129.8976308444.

The spelling of 1442504890 in words is "one billion, four hundred forty-two million, five hundred four thousand, eight hundred ninety".