401755491776 has 28 divisors (see below), whose sum is σ = 797636652120. Its totient is φ = 200776177920.

The previous prime is 401755491769. The next prime is 401755491833. The reversal of 401755491776 is 677194557104.

It is a super-2 number, since 2×401755491776² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1459355 + ... + 1712666.

It is an arithmetic number, because the mean of its divisors is an integer number (28487023290).

Almost surely, 2^401755491776 is an apocalyptic number.

It is an amenable number.

401755491776 is a deficient number, since it is larger than the sum of its proper divisors (395881160344).

401755491776 is a wasteful number, since it uses less digits than its factorization.

401755491776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174012 (or 3174002 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 56.

The spelling of 401755491776 in words is "four hundred one billion, seven hundred fifty-five million, four hundred ninety-one thousand, seven hundred seventy-six".