421154060451124 has 144 divisors (see below), whose sum is σ = 997231986486400. Its totient is φ = 151438097352960.

The previous prime is 421154060451121. The next prime is 421154060451167.

421154060451124 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421154060451121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 257679607 + ... + 259308865.

Almost surely, 2^{421154060451124} is an apocalyptic number.

421154060451124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421154060451124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498615993243200).

421154060451124 is an abundant number, since it is smaller than the sum of its proper divisors (576077926035276).

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

421154060451124 is a wasteful number, since it uses less digits than its factorization.

421154060451124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635174 (or 1635161 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 421154060451124 in words is "four hundred twenty-one trillion, one hundred fifty-four billion, sixty million, four hundred fifty-one thousand, one hundred twenty-four".