421040155320231 has 64 divisors (see below), whose sum is σ = 612933342658560. Its totient is φ = 256104224064000.

The previous prime is 421040155320203. The next prime is 421040155320247. The reversal of 421040155320231 is 132023551040124.

It is not a de Polignac number, because 421040155320231 - 2⁴¹ = 418841132064679 is a prime.

It is a super-2 number, since 2×421040155320231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421040155320192 and 421040155320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421040155320931) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 643127646 + ... + 643781988.

It is an arithmetic number, because the mean of its divisors is an integer number (9577083479040).

Almost surely, 2^{421040155320231} is an apocalyptic number.

421040155320231 is a deficient number, since it is larger than the sum of its proper divisors (191893187338329).

421040155320231 is a wasteful number, since it uses less digits than its factorization.

421040155320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656148.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 421040155320231 in words is "four hundred twenty-one trillion, forty billion, one hundred fifty-five million, three hundred twenty thousand, two hundred thirty-one".