4034120020440 has 64 divisors (see below), whose sum is σ = 12130439938560. Its totient is φ = 1073269349760.

The previous prime is 4034120020433. The next prime is 4034120020493. The reversal of 4034120020440 is 440200214304.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4034120020440.

It is a congruent number.

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, 38947894 + ... + 39051333.

It is an arithmetic number, because the mean of its divisors is an integer number (189538124040).

Almost surely, 2^{4034120020440} is an apocalyptic number.

4034120020440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4034120020440 is an abundant number, since it is smaller than the sum of its proper divisors (8096319918120).

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

4034120020440 is a wasteful number, since it uses less digits than its factorization.

4034120020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77999672 (or 77999668 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 4034120020440 its reverse (440200214304), we get a palindrome (4474320234744).

The spelling of 4034120020440 in words is "four trillion, thirty-four billion, one hundred twenty million, twenty thousand, four hundred forty".