413664040421 has 8 divisors (see below), whose sum is σ = 415873698840. Its totient is φ = 411455066112.

The previous prime is 413664040411. The next prime is 413664040441. The reversal of 413664040421 is 124040466314.

It can be written as a sum of positive squares in 4 ways, for example, as 51517650625 + 362146389796 = 226975^2 + 601786^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-413664040421 is a prime.

It is a super-2 number, since 2×413664040421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413664040411) 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, 1065341 + ... + 1400813.

It is an arithmetic number, because the mean of its divisors is an integer number (51984212355).

Almost surely, 2^413664040421 is an apocalyptic number.

It is an amenable number.

413664040421 is a deficient number, since it is larger than the sum of its proper divisors (2209658419).

413664040421 is a wasteful number, since it uses less digits than its factorization.

413664040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342055.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 413664040421 in words is "four hundred thirteen billion, six hundred sixty-four million, forty thousand, four hundred twenty-one".