401818080513 has 8 divisors (see below), whose sum is σ = 563955200800. Its totient is φ = 253779840288.

The previous prime is 401818080493. The next prime is 401818080557. The reversal of 401818080513 is 315080818104.

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

It is not a de Polignac number, because 401818080513 - 2¹³ = 401818072321 is a prime.

It is a super-2 number, since 2×401818080513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401818080563) 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, 3524719948 + ... + 3524720061.

It is an arithmetic number, because the mean of its divisors is an integer number (70494400100).

Almost surely, 2^401818080513 is an apocalyptic number.

It is an amenable number.

401818080513 is a deficient number, since it is larger than the sum of its proper divisors (162137120287).

401818080513 is a wasteful number, since it uses less digits than its factorization.

401818080513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7049440031.

The product of its (nonzero) digits is 30720, while the sum is 39.

Adding to 401818080513 its reverse (315080818104), we get a palindrome (716898898617).

The spelling of 401818080513 in words is "four hundred one billion, eight hundred eighteen million, eighty thousand, five hundred thirteen".