420150306352 has 120 divisors (see below), whose sum is σ = 996866705376. Its totient is φ = 170710493184.

The previous prime is 420150306319. The next prime is 420150306439. The reversal of 420150306352 is 253603051024.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1934518 + ... + 2140714.

Almost surely, 2^420150306352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420150306352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498433352688).

420150306352 is an abundant number, since it is smaller than the sum of its proper divisors (576716399024).

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

420150306352 is a wasteful number, since it uses less digits than its factorization.

420150306352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206355 (or 206342 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 420150306352 its reverse (253603051024), we get a palindrome (673753357376).

The spelling of 420150306352 in words is "four hundred twenty billion, one hundred fifty million, three hundred six thousand, three hundred fifty-two".