2012504240 has 40 divisors (see below), whose sum is σ = 4698532608. Its totient is φ = 801653760.

The previous prime is 2012504203. The next prime is 2012504243. The reversal of 2012504240 is 424052102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2012504243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32912 + ... + 71471.

Almost surely, 2^2012504240 is an apocalyptic number.

2012504240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012504240 is an abundant number, since it is smaller than the sum of its proper divisors (2686028368).

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

2012504240 is a wasteful number, since it uses less digits than its factorization.

2012504240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104637 (or 104631 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2012504240 is about 44860.9433694834. The cubic root of 2012504240 is about 1262.5413225700.

Adding to 2012504240 its reverse (424052102), we get a palindrome (2436556342).

The spelling of 2012504240 in words is "two billion, twelve million, five hundred four thousand, two hundred forty".