421342111400 has 144 divisors (see below), whose sum is σ = 1199535724800. Its totient is φ = 136856926080.

The previous prime is 421342111391. The next prime is 421342111429. The reversal of 421342111400 is 4111243124.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 945224 + ... + 1317623.

It is an arithmetic number, because the mean of its divisors is an integer number (8330109200).

Almost surely, 2^421342111400 is an apocalyptic number.

421342111400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421342111400 is an abundant number, since it is smaller than the sum of its proper divisors (778193613400).

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

421342111400 is a wasteful number, since it uses less digits than its factorization.

421342111400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262896 (or 2262880 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 421342111400 its reverse (4111243124), we get a palindrome (425453354524).

The spelling of 421342111400 in words is "four hundred twenty-one billion, three hundred forty-two million, one hundred eleven thousand, four hundred".