403800045 has 32 divisors (see below), whose sum is σ = 706610304. Its totient is φ = 195283200.

The previous prime is 403800041. The next prime is 403800107. The reversal of 403800045 is 540008304.

It is a happy number.

It is not a de Polignac number, because 403800045 - 2² = 403800041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403799988 and 403800024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403800041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66559 + ... + 72371.

It is an arithmetic number, because the mean of its divisors is an integer number (22081572).

Almost surely, 2^403800045 is an apocalyptic number.

It is an amenable number.

403800045 is a deficient number, since it is larger than the sum of its proper divisors (302810259).

403800045 is a wasteful number, since it uses less digits than its factorization.

403800045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 403800045 is about 20094.7765600914. The cubic root of 403800045 is about 739.1321973538.

Adding to 403800045 its reverse (540008304), we get a palindrome (943808349).

The spelling of 403800045 in words is "four hundred three million, eight hundred thousand, forty-five".