2002500240 has 80 divisors (see below), whose sum is σ = 6685280448. Its totient is φ = 492922368.

The previous prime is 2002500223. The next prime is 2002500287. The reversal of 2002500240 is 420052002.

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

It is a super-2 number, since 2×2002500240² = 8020014422400115200, which contains 22 as substring.

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

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, 317794 + ... + 324033.

Almost surely, 2^2002500240 is an apocalyptic number.

2002500240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002500240 is an abundant number, since it is smaller than the sum of its proper divisors (4682780208).

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

2002500240 is a wasteful number, since it uses less digits than its factorization.

2002500240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641856 (or 641850 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2002500240 is about 44749.3043521349. The cubic root of 2002500240 is about 1260.4458487694.

Adding to 2002500240 its reverse (420052002), we get a palindrome (2422552242).

The spelling of 2002500240 in words is "two billion, two million, five hundred thousand, two hundred forty".