401233255565652 has 60 divisors (see below), whose sum is σ = 1053219459400416. Its totient is φ = 133744418495640.

The previous prime is 401233255565633. The next prime is 401233255565657. The reversal of 401233255565652 is 256565552332104.

401233255565652 is a `hidden beast` number, since 4 + 0 + 1 + 2 + 3 + 3 + 25 + 5 + 56 + 565 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401233255565657) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2548016424 + ... + 2548173887.

Almost surely, 2^{401233255565652} is an apocalyptic number.

It is an amenable number.

401233255565652 is an abundant number, since it is smaller than the sum of its proper divisors (651986203834764).

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

401233255565652 is an frugal number, since it uses more digits than its factorization.

401233255565652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5096190342 (or 5096190316 counting only the distinct ones).

The product of its (nonzero) digits is 32400000, while the sum is 54.

The spelling of 401233255565652 in words is "four hundred one trillion, two hundred thirty-three billion, two hundred fifty-five million, five hundred sixty-five thousand, six hundred fifty-two".