506421426040 has 48 divisors (see below), whose sum is σ = 1146075395400. Its totient is φ = 201397177728.

The previous prime is 506421426037. The next prime is 506421426041. The reversal of 506421426040 is 40624124605.

It is a junction number, because it is equal to n+sod(n) for n = 506421425987 and 506421426005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506421426041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 985651 + ... + 1408669.

Almost surely, 2^506421426040 is an apocalyptic number.

It is an amenable number.

506421426040 is an abundant number, since it is smaller than the sum of its proper divisors (639653969360).

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

506421426040 is a wasteful number, since it uses less digits than its factorization.

506421426040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423376 (or 423199 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 506421426040 in words is "five hundred six billion, four hundred twenty-one million, four hundred twenty-six thousand, forty".