506290018440 has 32 divisors (see below), whose sum is σ = 1518870055680. Its totient is φ = 135010671552.

The previous prime is 506290018439. The next prime is 506290018441. The reversal of 506290018440 is 44810092605.

It is an interprime number because it is at equal distance from previous prime (506290018439) and next prime (506290018441).

It is not an unprimeable number, because it can be changed into a prime (506290018441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109541624 + ... + 2109541863.

It is an arithmetic number, because the mean of its divisors is an integer number (47464689240).

Almost surely, 2^506290018440 is an apocalyptic number.

It is an amenable number.

506290018440 is an abundant number, since it is smaller than the sum of its proper divisors (1012580037240).

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

506290018440 is a wasteful number, since it uses less digits than its factorization.

506290018440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219083501 (or 4219083497 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 506290018440 in words is "five hundred six billion, two hundred ninety million, eighteen thousand, four hundred forty".