401533049407743 has 144 divisors (see below), whose sum is σ = 676054998474240. Its totient is φ = 235355513738400.

The previous prime is 401533049407741. The next prime is 401533049407747. The reversal of 401533049407743 is 347704940335104.

401533049407743 is a `hidden beast` number, since 4 + 0 + 1 + 53 + 30 + 494 + 0 + 7 + 74 + 3 = 666.

It is not a de Polignac number, because 401533049407743 - 2¹ = 401533049407741 is a prime.

It is a super-2 number, since 2×401533049407743² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401533049407743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401533049407741) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5108068746 + ... + 5108147352.

Almost surely, 2^{401533049407743} is an apocalyptic number.

401533049407743 is a deficient number, since it is larger than the sum of its proper divisors (274521949066497).

401533049407743 is a wasteful number, since it uses less digits than its factorization.

401533049407743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80327 (or 80279 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 54.

The spelling of 401533049407743 in words is "four hundred one trillion, five hundred thirty-three billion, forty-nine million, four hundred seven thousand, seven hundred forty-three".