1200404442 has 64 divisors (see below), whose sum is σ = 2602316160. Its totient is φ = 367755264.

The previous prime is 1200404441. The next prime is 1200404467. The reversal of 1200404442 is 2444040021.

It is a super-3 number, since 3×1200404442³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200404441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1040538 + ... + 1041690.

It is an arithmetic number, because the mean of its divisors is an integer number (40661190).

Almost surely, 2^1200404442 is an apocalyptic number.

1200404442 is an abundant number, since it is smaller than the sum of its proper divisors (1401911718).

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

1200404442 is a wasteful number, since it uses less digits than its factorization.

1200404442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1200404442 is about 34646.8532770294. The cubic root of 1200404442 is about 1062.7779401498. Note that the first 3 decimals are identical.

Adding to 1200404442 its reverse (2444040021), we get a palindrome (3644444463).

The spelling of 1200404442 in words is "one billion, two hundred million, four hundred four thousand, four hundred forty-two".