3123450040 has 16 divisors (see below), whose sum is σ = 7027762680. Its totient is φ = 1249380000.

The previous prime is 3123450037. The next prime is 3123450041. The reversal of 3123450040 is 400543213.

It is a junction number, because it is equal to n+sod(n) for n = 3123449993 and 3123450020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123450041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39043086 + ... + 39043165.

Almost surely, 2^3123450040 is an apocalyptic number.

It is an amenable number.

3123450040 is an abundant number, since it is smaller than the sum of its proper divisors (3904312640).

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

3123450040 is a wasteful number, since it uses less digits than its factorization.

3123450040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78086262 (or 78086258 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 3123450040 is about 55887.8344543784. The cubic root of 3123450040 is about 1461.7671165715.

Adding to 3123450040 its reverse (400543213), we get a palindrome (3523993253).

The spelling of 3123450040 in words is "three billion, one hundred twenty-three million, four hundred fifty thousand, forty".