900444078956 has 12 divisors (see below), whose sum is σ = 1576791815592. Its totient is φ = 449932131648.

The previous prime is 900444078917. The next prime is 900444079001. The reversal of 900444078956 is 659870444009.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 72469970 + ... + 72482393.

It is an arithmetic number, because the mean of its divisors is an integer number (131399317966).

Almost surely, 2^900444078956 is an apocalyptic number.

It is an amenable number.

900444078956 is a deficient number, since it is larger than the sum of its proper divisors (676347736636).

900444078956 is a wasteful number, since it uses less digits than its factorization.

900444078956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144953920 (or 144953918 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 900444078956 in words is "nine hundred billion, four hundred forty-four million, seventy-eight thousand, nine hundred fifty-six".