2400240202040 has 64 divisors (see below), whose sum is σ = 5718423886560. Its totient is φ = 903587512320.

The previous prime is 2400240201943. The next prime is 2400240202079. The reversal of 2400240202040 is 402020420042.

It is a super-2 number, since 2×2400240202040² (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28355219 + ... + 28439741.

Almost surely, 2^{2400240202040} is an apocalyptic number.

2400240202040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400240202040 is an abundant number, since it is smaller than the sum of its proper divisors (3318183684520).

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

2400240202040 is a wasteful number, since it uses less digits than its factorization.

2400240202040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126312 (or 126308 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2400240202040 its reverse (402020420042), we get a palindrome (2802260622082).

The spelling of 2400240202040 in words is "two trillion, four hundred billion, two hundred forty million, two hundred two thousand, forty".