1442419631 has 8 divisors (see below), whose sum is σ = 1508367744. Its totient is φ = 1376741080.

The previous prime is 1442419591. The next prime is 1442419639. The reversal of 1442419631 is 1369142441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1442419631 - 2³⁰ = 368677807 is a prime.

It is a super-2 number, since 2×1442419631² = 4161148783788352322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442419591 and 1442419600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442419639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56405 + ... + 77886.

It is an arithmetic number, because the mean of its divisors is an integer number (188545968).

Almost surely, 2^1442419631 is an apocalyptic number.

1442419631 is a deficient number, since it is larger than the sum of its proper divisors (65948113).

1442419631 is a wasteful number, since it uses less digits than its factorization.

1442419631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134781.

The product of its digits is 20736, while the sum is 35.

The square root of 1442419631 is about 37979.1999784092. The cubic root of 1442419631 is about 1129.8753696050.

The spelling of 1442419631 in words is "one billion, four hundred forty-two million, four hundred nineteen thousand, six hundred thirty-one".