903063540 has 144 divisors (see below), whose sum is σ = 2746336320. Its totient is φ = 220976640.

The previous prime is 903063527. The next prime is 903063541. The reversal of 903063540 is 45360309.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 903063498 and 903063507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (903063541) 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 47 ways as a sum of consecutive naturals, for example, 6496791 + ... + 6496929.

It is an arithmetic number, because the mean of its divisors is an integer number (19071780).

Almost surely, 2^903063540 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 903063540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1373168160).

903063540 is an abundant number, since it is smaller than the sum of its proper divisors (1843272780).

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

903063540 is a wasteful number, since it uses less digits than its factorization.

903063540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 903063540 is about 30051.0156234361. The cubic root of 903063540 is about 966.5836311289.

The spelling of 903063540 in words is "nine hundred three million, sixty-three thousand, five hundred forty".