45321403234400 has 288 divisors, whose sum is σ = 118002967326720. Its totient is φ = 16957715793920.

The previous prime is 45321403234399. The next prime is 45321403234421. The reversal of 45321403234400 is 443230412354.

It is a super-2 number, since 2×45321403234400² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1104329081 + ... + 1104370119.

It is an arithmetic number, because the mean of its divisors is an integer number (409732525440).

Almost surely, 2^{45321403234400} is an apocalyptic number.

45321403234400 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 45321403234400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59001483663360).

45321403234400 is an abundant number, since it is smaller than the sum of its proper divisors (72681564092320).

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

45321403234400 is a wasteful number, since it uses less digits than its factorization.

45321403234400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42406 (or 42393 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 45321403234400 its reverse (443230412354), we get a palindrome (45764633646754).

The spelling of 45321403234400 in words is "forty-five trillion, three hundred twenty-one billion, four hundred three million, two hundred thirty-four thousand, four hundred".