421154003115140 has 24 divisors (see below), whose sum is σ = 886058200291992. Its totient is φ = 168150211960320.

The previous prime is 421154003115127. The next prime is 421154003115277. The reversal of 421154003115140 is 41511300451124.

It can be written as a sum of positive squares in 4 ways, for example, as 190054146304 + 420963948968836 = 435952^2 + 20517406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421154003115097 and 421154003115106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19461819269 + ... + 19461840908.

It is an arithmetic number, because the mean of its divisors is an integer number (36919091678833).

Almost surely, 2^{421154003115140} is an apocalyptic number.

It is an amenable number.

421154003115140 is an abundant number, since it is smaller than the sum of its proper divisors (464904197176852).

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

421154003115140 is a wasteful number, since it uses less digits than its factorization.

421154003115140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38923660727 (or 38923660725 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 421154003115140 its reverse (41511300451124), we get a palindrome (462665303566264).

The spelling of 421154003115140 in words is "four hundred twenty-one trillion, one hundred fifty-four billion, three million, one hundred fifteen thousand, one hundred forty".