545403001440 has 96 divisors (see below), whose sum is σ = 1874203059456. Its totient is φ = 132218908160.

The previous prime is 545403001411. The next prime is 545403001441. The reversal of 545403001440 is 44100304545.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 545403001398 and 545403001407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545403001441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51642732 + ... + 51653291.

It is an arithmetic number, because the mean of its divisors is an integer number (19522948536).

Almost surely, 2^545403001440 is an apocalyptic number.

It is an amenable number.

545403001440 is an abundant number, since it is smaller than the sum of its proper divisors (1328800058016).

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

545403001440 is a wasteful number, since it uses less digits than its factorization.

545403001440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103296052 (or 103296044 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 545403001440 its reverse (44100304545), we get a palindrome (589503305985).

The spelling of 545403001440 in words is "five hundred forty-five billion, four hundred three million, one thousand, four hundred forty".