421104010240 has 88 divisors (see below), whose sum is σ = 1063322501760. Its totient is φ = 159576219648.

The previous prime is 421104010147. The next prime is 421104010307. The reversal of 421104010240 is 42010401124.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067112 + ... + 2261671.

Almost surely, 2^421104010240 is an apocalyptic number.

421104010240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421104010240 is an abundant number, since it is smaller than the sum of its proper divisors (642218491520).

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

421104010240 is a wasteful number, since it uses less digits than its factorization.

421104010240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328827 (or 4328809 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 421104010240 its reverse (42010401124), we get a palindrome (463114411364).

The spelling of 421104010240 in words is "four hundred twenty-one billion, one hundred four million, ten thousand, two hundred forty".