201503040 has 112 divisors (see below), whose sum is σ = 677460672. Its totient is φ = 50569216.

The previous prime is 201503039. The next prime is 201503077. The reversal of 201503040 is 40305102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10147 + ... + 22493.

It is an arithmetic number, because the mean of its divisors is an integer number (6048756).

Almost surely, 2^201503040 is an apocalyptic number.

201503040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201503040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338730336).

201503040 is an abundant number, since it is smaller than the sum of its proper divisors (475957632).

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

201503040 is a wasteful number, since it uses less digits than its factorization.

201503040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12384 (or 12374 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 201503040 is about 14195.1766456075. The cubic root of 201503040 is about 586.2648649098.

Adding to 201503040 its reverse (40305102), we get a palindrome (241808142).

The spelling of 201503040 in words is "two hundred one million, five hundred three thousand, forty".