401729054 has 32 divisors (see below), whose sum is σ = 645559200. Its totient is φ = 187125120.

The previous prime is 401729051. The next prime is 401729059. The reversal of 401729054 is 450927104.

It is a happy number.

It is a super-2 number, since 2×401729054² = 322772465655469832, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 401729054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401729051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280412 + ... + 281840.

It is an arithmetic number, because the mean of its divisors is an integer number (20173725).

Almost surely, 2^401729054 is an apocalyptic number.

401729054 is a deficient number, since it is larger than the sum of its proper divisors (243830146).

401729054 is a wasteful number, since it uses less digits than its factorization.

401729054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 401729054 is about 20043.1797377562. The cubic root of 401729054 is about 737.8664219183.

The spelling of 401729054 in words is "four hundred one million, seven hundred twenty-nine thousand, fifty-four".