401555040614 has 64 divisors (see below), whose sum is σ = 785170060416. Its totient is φ = 149468626944.

The previous prime is 401555040577. The next prime is 401555040671. The reversal of 401555040614 is 416040555104.

It is a super-2 number, since 2×401555040614² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11718434 + ... + 11752650.

It is an arithmetic number, because the mean of its divisors is an integer number (12268282194).

Almost surely, 2^401555040614 is an apocalyptic number.

401555040614 is a deficient number, since it is larger than the sum of its proper divisors (383615019802).

401555040614 is a wasteful number, since it uses less digits than its factorization.

401555040614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38049.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 401555040614 its reverse (416040555104), we get a palindrome (817595595718).

The spelling of 401555040614 in words is "four hundred one billion, five hundred fifty-five million, forty thousand, six hundred fourteen".