545332510400440 has 128 divisors (see below), whose sum is σ = 1450658517073920. Its totient is φ = 180547323609600.

The previous prime is 545332510400399. The next prime is 545332510400441. The reversal of 545332510400440 is 44004015233545.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 545332510400393 and 545332510400402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545332510400441) 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, 64139872 + ... + 72142831.

It is an arithmetic number, because the mean of its divisors is an integer number (11333269664640).

Almost surely, 2^{545332510400440} is an apocalyptic number.

It is an amenable number.

545332510400440 is an abundant number, since it is smaller than the sum of its proper divisors (905326006673480).

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

545332510400440 is a wasteful number, since it uses less digits than its factorization.

545332510400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136283213 (or 136283209 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 545332510400440 its reverse (44004015233545), we get a palindrome (589336525633985).

The spelling of 545332510400440 in words is "five hundred forty-five trillion, three hundred thirty-two billion, five hundred ten million, four hundred thousand, four hundred forty".