4537165525440 has 224 divisors, whose sum is σ = 14873533839360. Its totient is φ = 1170618470400.

The previous prime is 4537165525433. The next prime is 4537165525441. The reversal of 4537165525440 is 445255617354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4537165525441) 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, 156552871 + ... + 156581849.

It is an arithmetic number, because the mean of its divisors is an integer number (66399704640).

Almost surely, 2^{4537165525440} is an apocalyptic number.

4537165525440 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 4537165525440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7436766919680).

4537165525440 is an abundant number, since it is smaller than the sum of its proper divisors (10336368313920).

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

4537165525440 is a wasteful number, since it uses less digits than its factorization.

4537165525440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34291 (or 34281 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 51.

It can be divided in two parts, 4537165 and 525440, that added together give a palindrome (5062605).

The spelling of 4537165525440 in words is "four trillion, five hundred thirty-seven billion, one hundred sixty-five million, five hundred twenty-five thousand, four hundred forty".