421204011254 has 16 divisors (see below), whose sum is σ = 680430710400. Its totient is φ = 194394928320.

The previous prime is 421204011253. The next prime is 421204011257. The reversal of 421204011254 is 452110402124.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421204011253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495914 + ... + 1043234.

It is an arithmetic number, because the mean of its divisors is an integer number (42526919400).

Almost surely, 2^421204011254 is an apocalyptic number.

421204011254 is a deficient number, since it is larger than the sum of its proper divisors (259226699146).

421204011254 is a wasteful number, since it uses less digits than its factorization.

421204011254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576935.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 421204011254 its reverse (452110402124), we get a palindrome (873314413378).

The spelling of 421204011254 in words is "four hundred twenty-one billion, two hundred four million, eleven thousand, two hundred fifty-four".