1202444478 has 12 divisors (see below), whose sum is σ = 2605296408. Its totient is φ = 400814820.

The previous prime is 1202444473. The next prime is 1202444497. The reversal of 1202444478 is 8744442021.

1202444478 is a `hidden beast` number, since 1 + 202 + 4 + 4 + 447 + 8 = 666.

It is a super-3 number, since 3×1202444478³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202444473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33401218 + ... + 33401253.

It is an arithmetic number, because the mean of its divisors is an integer number (217108034).

Almost surely, 2^1202444478 is an apocalyptic number.

1202444478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1202444478 is an abundant number, since it is smaller than the sum of its proper divisors (1402851930).

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

1202444478 is a wasteful number, since it uses less digits than its factorization.

1202444478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66802479 (or 66802476 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 36.

The square root of 1202444478 is about 34676.2812019974. The cubic root of 1202444478 is about 1063.3796479687.

Adding to 1202444478 its reverse (8744442021), we get a palindrome (9946886499).

The spelling of 1202444478 in words is "one billion, two hundred two million, four hundred forty-four thousand, four hundred seventy-eight".