4121311440 has 80 divisors (see below), whose sum is σ = 12956063616. Its totient is φ = 1083532800.

The previous prime is 4121311427. The next prime is 4121311471. The reversal of 4121311440 is 441131214.

4121311440 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 103891 + ... + 137970.

Almost surely, 2^4121311440 is an apocalyptic number.

4121311440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4121311440 is an abundant number, since it is smaller than the sum of its proper divisors (8834752176).

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

4121311440 is a wasteful number, since it uses less digits than its factorization.

4121311440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241948 (or 241942 counting only the distinct ones).

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

The square root of 4121311440 is about 64197.4410704975. The cubic root of 4121311440 is about 1603.2889948546.

Adding to 4121311440 its reverse (441131214), we get a palindrome (4562442654).

The spelling of 4121311440 in words is "four billion, one hundred twenty-one million, three hundred eleven thousand, four hundred forty".