401040695772 has 18 divisors (see below), whose sum is σ = 1013741758848. Its totient is φ = 133680231912.

The previous prime is 401040695749. The next prime is 401040695773. The reversal of 401040695772 is 277596040104.

401040695772 is a `hidden beast` number, since 4 + 0 + 10 + 4 + 0 + 69 + 577 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401040695773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5570009628 + ... + 5570009699.

Almost surely, 2^401040695772 is an apocalyptic number.

It is an amenable number.

401040695772 is an abundant number, since it is smaller than the sum of its proper divisors (612701063076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401040695772 is a wasteful number, since it uses less digits than its factorization.

401040695772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11140019337 (or 11140019332 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 401040695772 in words is "four hundred one billion, forty million, six hundred ninety-five thousand, seven hundred seventy-two".