1442040707 has 4 divisors (see below), whose sum is σ = 1446738216. Its totient is φ = 1437343200.

The previous prime is 1442040697. The next prime is 1442040737. The reversal of 1442040707 is 7070402441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1442040707 - 2⁸ = 1442040451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442040707.

It is not an unprimeable number, because it can be changed into a prime (1442040737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2348294 + ... + 2348907.

It is an arithmetic number, because the mean of its divisors is an integer number (361684554).

Almost surely, 2^1442040707 is an apocalyptic number.

1442040707 is a deficient number, since it is larger than the sum of its proper divisors (4697509).

1442040707 is an equidigital number, since it uses as much as digits as its factorization.

1442040707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4697508.

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 1442040707 is about 37974.2110780461. The cubic root of 1442040707 is about 1129.7764214253.

The spelling of 1442040707 in words is "one billion, four hundred forty-two million, forty thousand, seven hundred seven".