10003500240 has 80 divisors (see below), whose sum is σ = 31052702976. Its totient is φ = 2664000000.

The previous prime is 10003500229. The next prime is 10003500289. The reversal of 10003500240 is 4200530001.

It is a tau number, because it is divible by the number of its divisors (80).

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, 152490 + ... + 207990.

Almost surely, 2^10003500240 is an apocalyptic number.

10003500240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10003500240 is an abundant number, since it is smaller than the sum of its proper divisors (21049202736).

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

10003500240 is a wasteful number, since it uses less digits than its factorization.

10003500240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56268 (or 56262 counting only the distinct ones).

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

The spelling of 10003500240 in words is "ten billion, three million, five hundred thousand, two hundred forty".