1140421442 has 16 divisors (see below), whose sum is σ = 1752354432. Its totient is φ = 556377360.

The previous prime is 1140421423. The next prime is 1140421453. The reversal of 1140421442 is 2441240411.

It is a super-2 number, since 2×1140421442² = 2601122130746718728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12788 + ... + 49440.

It is an arithmetic number, because the mean of its divisors is an integer number (109522152).

Almost surely, 2^1140421442 is an apocalyptic number.

1140421442 is a deficient number, since it is larger than the sum of its proper divisors (611932990).

1140421442 is a wasteful number, since it uses less digits than its factorization.

1140421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37033.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1140421442 is about 33770.1264729642. The cubic root of 1140421442 is about 1044.7726410284.

Adding to 1140421442 its reverse (2441240411), we get a palindrome (3581661853).

The spelling of 1140421442 in words is "one billion, one hundred forty million, four hundred twenty-one thousand, four hundred forty-two".