1240422442 has 32 divisors (see below), whose sum is σ = 2255005440. Its totient is φ = 499564800.

The previous prime is 1240422439. The next prime is 1240422473. The reversal of 1240422442 is 2442240421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165067 + ... + 172417.

It is an arithmetic number, because the mean of its divisors is an integer number (70468920).

Almost surely, 2^1240422442 is an apocalyptic number.

1240422442 is a deficient number, since it is larger than the sum of its proper divisors (1014582998).

1240422442 is a wasteful number, since it uses less digits than its factorization.

1240422442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 1240422442 is about 35219.6314858631. The cubic root of 1240422442 is about 1074.4590585084.

Adding to 1240422442 its reverse (2442240421), we get a palindrome (3682662863).

The spelling of 1240422442 in words is "one billion, two hundred forty million, four hundred twenty-two thousand, four hundred forty-two".