401146554 has 16 divisors (see below), whose sum is σ = 814268448. Its totient is φ = 131719632.

The previous prime is 401146523. The next prime is 401146567. The reversal of 401146554 is 455641104.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498537 + ... + 499340.

It is an arithmetic number, because the mean of its divisors is an integer number (50891778).

Almost surely, 2^401146554 is an apocalyptic number.

401146554 is an abundant number, since it is smaller than the sum of its proper divisors (413121894).

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

401146554 is a wasteful number, since it uses less digits than its factorization.

401146554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997949.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 401146554 is about 20028.6433389783. The cubic root of 401146554 is about 737.5096183367.

Adding to 401146554 its reverse (455641104), we get a palindrome (856787658).

The spelling of 401146554 in words is "four hundred one million, one hundred forty-six thousand, five hundred fifty-four".