401960554 has 4 divisors (see below), whose sum is σ = 602940834. Its totient is φ = 200980276.

The previous prime is 401960551. The next prime is 401960567. The reversal of 401960554 is 455069104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 393109929 + 8850625 = 19827^2 + 2975^2 .

It is not an unprimeable number, because it can be changed into a prime (401960551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100490137 + ... + 100490140.

Almost surely, 2^401960554 is an apocalyptic number.

401960554 is a deficient number, since it is larger than the sum of its proper divisors (200980280).

401960554 is a wasteful number, since it uses less digits than its factorization.

401960554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200980279.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 401960554 is about 20048.9539377993. The cubic root of 401960554 is about 738.0081287677.

The spelling of 401960554 in words is "four hundred one million, nine hundred sixty thousand, five hundred fifty-four".