4243401653140 has 96 divisors (see below), whose sum is σ = 9735464420640. Its totient is φ = 1544237899776.

The previous prime is 4243401653119. The next prime is 4243401653143. The reversal of 4243401653140 is 413561043424.

It can be written as a sum of positive squares in 16 ways, for example, as 4184471177604 + 58930475536 = 2045598^2 + 242756^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4243401653140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243401653143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6949882 + ... + 7535758.

It is an arithmetic number, because the mean of its divisors is an integer number (101411087715).

Almost surely, 2^{4243401653140} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243401653140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4867732210320).

4243401653140 is an abundant number, since it is smaller than the sum of its proper divisors (5492062767500).

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

4243401653140 is a wasteful number, since it uses less digits than its factorization.

4243401653140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586301 (or 586299 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 4243401653140 its reverse (413561043424), we get a palindrome (4656962696564).

The spelling of 4243401653140 in words is "four trillion, two hundred forty-three billion, four hundred one million, six hundred fifty-three thousand, one hundred forty".