420400410 has 32 divisors (see below), whose sum is σ = 1025505792. Its totient is φ = 110268480.

The previous prime is 420400397. The next prime is 420400427. The reversal of 420400410 is 14004024.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 420400410.

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, 113034 + ... + 116693.

It is an arithmetic number, because the mean of its divisors is an integer number (32047056).

Almost surely, 2^420400410 is an apocalyptic number.

420400410 is an abundant number, since it is smaller than the sum of its proper divisors (605105382).

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

420400410 is a wasteful number, since it uses less digits than its factorization.

420400410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229798.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 420400410 is about 20503.6682083963. The cubic root of 420400410 is about 749.1251487995.

Adding to 420400410 its reverse (14004024), we get a palindrome (434404434).

The spelling of 420400410 in words is "four hundred twenty million, four hundred thousand, four hundred ten".