2440042452032 has 56 divisors (see below), whose sum is σ = 4895191119936. Its totient is φ = 1206638627328.

The previous prime is 2440042451971. The next prime is 2440042452073. The reversal of 2440042452032 is 2302542400442.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2440042452032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4952738 + ... + 5423070.

Almost surely, 2^{2440042452032} 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 2440042452032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2447595559968).

2440042452032 is an abundant number, since it is smaller than the sum of its proper divisors (2455148667904).

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

2440042452032 is a wasteful number, since it uses less digits than its factorization.

2440042452032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471235 (or 471225 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 32.

Adding to 2440042452032 its reverse (2302542400442), we get a palindrome (4742584852474).

The spelling of 2440042452032 in words is "two trillion, four hundred forty billion, forty-two million, four hundred fifty-two thousand, thirty-two".