4021030111440 has 80 divisors (see below), whose sum is σ = 13121256168000. Its totient is φ = 1015839184896.

The previous prime is 4021030111411. The next prime is 4021030111451. The reversal of 4021030111440 is 441110301204.

It is a tau number, because it is divible by the number of its divisors (80).

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, 440897865 + ... + 440906984.

It is an arithmetic number, because the mean of its divisors is an integer number (164015702100).

Almost surely, 2^{4021030111440} is an apocalyptic number.

4021030111440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4021030111440 is an abundant number, since it is smaller than the sum of its proper divisors (9100226056560).

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

4021030111440 is a wasteful number, since it uses less digits than its factorization.

4021030111440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881804884 (or 881804878 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 4021030111440 its reverse (441110301204), we get a palindrome (4462140412644).

The spelling of 4021030111440 in words is "four trillion, twenty-one billion, thirty million, one hundred eleven thousand, four hundred forty".