1420427442 has 32 divisors (see below), whose sum is σ = 3252373632. Its totient is φ = 405126144.

The previous prime is 1420427387. The next prime is 1420427443. The reversal of 1420427442 is 2447240241.

It is a super-2 number, since 2×1420427442² = 4035228235973326728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1420427443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5073 + ... + 53540.

It is an arithmetic number, because the mean of its divisors is an integer number (101636676).

Almost surely, 2^1420427442 is an apocalyptic number.

1420427442 is an abundant number, since it is smaller than the sum of its proper divisors (1831946190).

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

1420427442 is a wasteful number, since it uses less digits than its factorization.

1420427442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59202.

The product of its (nonzero) digits is 14336, while the sum is 30.

The square root of 1420427442 is about 37688.5585025482. The cubic root of 1420427442 is about 1124.1036328547.

Adding to 1420427442 its reverse (2447240241), we get a palindrome (3867667683).

The spelling of 1420427442 in words is "one billion, four hundred twenty million, four hundred twenty-seven thousand, four hundred forty-two".