401742194553 has 24 divisors (see below), whose sum is σ = 692344827360. Its totient is φ = 229566967560.

The previous prime is 401742194531. The next prime is 401742194621. The reversal of 401742194553 is 355491247104.

401742194553 is a `hidden beast` number, since 4 + 0 + 1 + 7 + 4 + 2 + 1 + 94 + 553 = 666.

It is not a de Polignac number, because 401742194553 - 2⁶ = 401742194489 is a prime.

It is a super-2 number, since 2×401742194553² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401742194499 and 401742194508.

It is not an unprimeable number, because it can be changed into a prime (401742193553) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 151828683 + ... + 151831328.

It is an arithmetic number, because the mean of its divisors is an integer number (28847701140).

Almost surely, 2^401742194553 is an apocalyptic number.

It is an amenable number.

401742194553 is a deficient number, since it is larger than the sum of its proper divisors (290602632807).

401742194553 is a wasteful number, since it uses less digits than its factorization.

401742194553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303660034 (or 303660021 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 401742194553 in words is "four hundred one billion, seven hundred forty-two million, one hundred ninety-four thousand, five hundred fifty-three".