421141242400 has 72 divisors (see below), whose sum is σ = 1072811585664. Its totient is φ = 161132294400.

The previous prime is 421141242397. The next prime is 421141242413. The reversal of 421141242400 is 4242141124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11425656 + ... + 11462455.

It is an arithmetic number, because the mean of its divisors is an integer number (14900160912).

Almost surely, 2^421141242400 is an apocalyptic number.

421141242400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421141242400 is an abundant number, since it is smaller than the sum of its proper divisors (651670343264).

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

421141242400 is a wasteful number, since it uses less digits than its factorization.

421141242400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22888154 (or 22888141 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 421141242400 its reverse (4242141124), we get a palindrome (425383383524).

The spelling of 421141242400 in words is "four hundred twenty-one billion, one hundred forty-one million, two hundred forty-two thousand, four hundred".