4231550561640 has 256 divisors, whose sum is σ = 13842275328000. Its totient is φ = 1030817648640.

The previous prime is 4231550561633. The next prime is 4231550561653. The reversal of 4231550561640 is 461650551324.

4231550561640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4231550561592 and 4231550561601.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9285925 + ... + 9730955.

It is an arithmetic number, because the mean of its divisors is an integer number (54071388000).

Almost surely, 2^{4231550561640} is an apocalyptic number.

4231550561640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4231550561640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6921137664000).

4231550561640 is an abundant number, since it is smaller than the sum of its proper divisors (9610724766360).

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

4231550561640 is a wasteful number, since it uses less digits than its factorization.

4231550561640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445200 (or 445196 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 4231550561640 in words is "four trillion, two hundred thirty-one billion, five hundred fifty million, five hundred sixty-one thousand, six hundred forty".