900023693520 has 480 divisors, whose sum is σ = 3419821831680. Its totient is φ = 194698183680.

The previous prime is 900023693473. The next prime is 900023693561. The reversal of 900023693520 is 25396320009.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 447549315 + ... + 447551325.

It is an arithmetic number, because the mean of its divisors is an integer number (7124628816).

Almost surely, 2^900023693520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 900023693520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709910915840).

900023693520 is an abundant number, since it is smaller than the sum of its proper divisors (2519798138160).

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

900023693520 is a wasteful number, since it uses less digits than its factorization.

900023693520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063 (or 4050 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 39.

The spelling of 900023693520 in words is "nine hundred billion, twenty-three million, six hundred ninety-three thousand, five hundred twenty".