4022000031440 has 20 divisors (see below), whose sum is σ = 9351150073284. Its totient is φ = 1608800012544.

The previous prime is 4022000031433. The next prime is 4022000031523. The reversal of 4022000031440 is 441300002204.

It can be written as a sum of positive squares in 2 ways, for example, as 2745542953024 + 1276457078416 = 1656968^2 + 1129804^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25137500117 + ... + 25137500276.

Almost surely, 2^{4022000031440} is an apocalyptic number.

4022000031440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4022000031440 is an abundant number, since it is smaller than the sum of its proper divisors (5329150041844).

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

4022000031440 is a wasteful number, since it uses less digits than its factorization.

4022000031440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50275000406 (or 50275000400 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 4022000031440 its reverse (441300002204), we get a palindrome (4463300033644).

The spelling of 4022000031440 in words is "four trillion, twenty-two billion, thirty-one thousand, four hundred forty".