1442365426 has 32 divisors (see below), whose sum is σ = 2287916928. Its totient is φ = 681233280.

The previous prime is 1442365423. The next prime is 1442365433. The reversal of 1442365426 is 6245632441.

It is a super-2 number, since 2×1442365426² = 4160836044240322952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1442365423) 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, 321390 + ... + 325846.

It is an arithmetic number, because the mean of its divisors is an integer number (71497404).

Almost surely, 2^1442365426 is an apocalyptic number.

1442365426 is a deficient number, since it is larger than the sum of its proper divisors (845551502).

1442365426 is a wasteful number, since it uses less digits than its factorization.

1442365426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626.

The product of its digits is 138240, while the sum is 37.

The square root of 1442365426 is about 37978.4863574103. The cubic root of 1442365426 is about 1129.8612161506.

Adding to 1442365426 its reverse (6245632441), we get a palindrome (7687997867).

The spelling of 1442365426 in words is "one billion, four hundred forty-two million, three hundred sixty-five thousand, four hundred twenty-six".