420413250 has 32 divisors (see below), whose sum is σ = 1049353344. Its totient is φ = 112110000.

The previous prime is 420413249. The next prime is 420413263. The reversal of 420413250 is 52314024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279526 + ... + 281025.

It is an arithmetic number, because the mean of its divisors is an integer number (32792292).

Almost surely, 2^420413250 is an apocalyptic number.

420413250 is an abundant number, since it is smaller than the sum of its proper divisors (628940094).

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

420413250 is a wasteful number, since it uses less digits than its factorization.

420413250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560571 (or 560561 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 420413250 is about 20503.9813207094. The cubic root of 420413250 is about 749.1327753929.

Adding to 420413250 its reverse (52314024), we get a palindrome (472727274).

The spelling of 420413250 in words is "four hundred twenty million, four hundred thirteen thousand, two hundred fifty".