303404404012040 has 32 divisors (see below), whose sum is σ = 697184587946880. Its totient is φ = 118779596463552.

The previous prime is 303404404012001. The next prime is 303404404012049. The reversal of 303404404012040 is 40210404404303.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 303404404011994 and 303404404012012.

It is not an unprimeable number, because it can be changed into a prime (303404404012049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80692658762 + ... + 80692662521.

It is an arithmetic number, because the mean of its divisors is an integer number (21787018373340).

Almost surely, 2^{303404404012040} is an apocalyptic number.

It is an amenable number.

303404404012040 is an abundant number, since it is smaller than the sum of its proper divisors (393780183934840).

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

303404404012040 is a wasteful number, since it uses less digits than its factorization.

303404404012040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161385321341 (or 161385321337 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 303404404012040 its reverse (40210404404303), we get a palindrome (343614808416343).

The spelling of 303404404012040 in words is "three hundred three trillion, four hundred four billion, four hundred four million, twelve thousand, forty".