421410401340 has 48 divisors (see below), whose sum is σ = 1183330125600. Its totient is φ = 112054106880.

The previous prime is 421410401309. The next prime is 421410401341. The reversal of 421410401340 is 43104014124.

It is a self number, because there is not a number n which added to its sum of digits gives 421410401340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421410401341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10041391 + ... + 10083270.

It is an arithmetic number, because the mean of its divisors is an integer number (24652710950).

Almost surely, 2^421410401340 is an apocalyptic number.

It is an amenable number.

421410401340 is an abundant number, since it is smaller than the sum of its proper divisors (761919724260).

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

421410401340 is a wasteful number, since it uses less digits than its factorization.

421410401340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20125022 (or 20125020 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 421410401340 its reverse (43104014124), we get a palindrome (464514415464).

The spelling of 421410401340 in words is "four hundred twenty-one billion, four hundred ten million, four hundred one thousand, three hundred forty".