418515031940 has 12 divisors (see below), whose sum is σ = 878881567116. Its totient is φ = 167406012768.

The previous prime is 418515031933. The next prime is 418515031999. The reversal of 418515031940 is 49130515814.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63754230016 + 354760801924 = 252496^2 + 595618^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10462875779 + ... + 10462875818.

It is an arithmetic number, because the mean of its divisors is an integer number (73240130593).

Almost surely, 2^418515031940 is an apocalyptic number.

It is an amenable number.

418515031940 is an abundant number, since it is smaller than the sum of its proper divisors (460366535176).

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

418515031940 is a wasteful number, since it uses less digits than its factorization.

418515031940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20925751606 (or 20925751604 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 418515031940 in words is "four hundred eighteen billion, five hundred fifteen million, thirty-one thousand, nine hundred forty".