5231737405440 has 1536 divisors, whose sum is σ = 22570782474240. Its totient is φ = 1091580198912.

The previous prime is 5231737405387. The next prime is 5231737405441. The reversal of 5231737405440 is 445047371325.

It is a happy number.

5231737405440 is a `hidden beast` number, since 5 + 2 + 31 + 7 + 3 + 74 + 0 + 544 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1536).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231737405441) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17041489767 + ... + 17041490073.

It is an arithmetic number, because the mean of its divisors is an integer number (14694519840).

Almost surely, 2^{5231737405440} 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 5231737405440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11285391237120).

5231737405440 is an abundant number, since it is smaller than the sum of its proper divisors (17339045068800).

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

5231737405440 is a wasteful number, since it uses less digits than its factorization.

5231737405440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

The spelling of 5231737405440 in words is "five trillion, two hundred thirty-one billion, seven hundred thirty-seven million, four hundred five thousand, four hundred forty".