2400043536 has 240 divisors, whose sum is σ = 7591746240. Its totient is φ = 701568000.

The previous prime is 2400043511. The next prime is 2400043589. The reversal of 2400043536 is 6353400042.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5700606 + ... + 5701026.

It is an arithmetic number, because the mean of its divisors is an integer number (31632276).

Almost surely, 2^2400043536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2400043536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3795873120).

2400043536 is an abundant number, since it is smaller than the sum of its proper divisors (5191702704).

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

2400043536 is a wasteful number, since it uses less digits than its factorization.

2400043536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2400043536 is about 48990.2391910879. The cubic root of 2400043536 is about 1338.8739957912.

Adding to 2400043536 its reverse (6353400042), we get a palindrome (8753443578).

The spelling of 2400043536 in words is "two billion, four hundred million, forty-three thousand, five hundred thirty-six".