407252130020 has 12 divisors (see below), whose sum is σ = 855229473084. Its totient is φ = 162900852000.

The previous prime is 407252129993. The next prime is 407252130037. The reversal of 407252130020 is 20031252704.

It can be written as a sum of positive squares in 2 ways, for example, as 292698312256 + 114553817764 = 541016^2 + 338458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10181303231 + ... + 10181303270.

It is an arithmetic number, because the mean of its divisors is an integer number (71269122757).

Almost surely, 2^407252130020 is an apocalyptic number.

It is an amenable number.

407252130020 is an abundant number, since it is smaller than the sum of its proper divisors (447977343064).

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

407252130020 is a wasteful number, since it uses less digits than its factorization.

407252130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20362606510 (or 20362606508 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

Adding to 407252130020 its reverse (20031252704), we get a palindrome (427283382724).

The spelling of 407252130020 in words is "four hundred seven billion, two hundred fifty-two million, one hundred thirty thousand, twenty".