421601485254 has 16 divisors (see below), whose sum is σ = 843499593792. Its totient is φ = 140484391208.

The previous prime is 421601485247. The next prime is 421601485259. The reversal of 421601485254 is 452584106124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421601485259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12340824 + ... + 12374939.

It is an arithmetic number, because the mean of its divisors is an integer number (52718724612).

Almost surely, 2^421601485254 is an apocalyptic number.

421601485254 is an abundant number, since it is smaller than the sum of its proper divisors (421898108538).

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

421601485254 is a wasteful number, since it uses less digits than its factorization.

421601485254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24718611.

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 421601485254 in words is "four hundred twenty-one billion, six hundred one million, four hundred eighty-five thousand, two hundred fifty-four".