401454663 has 8 divisors (see below), whose sum is σ = 535387776. Its totient is φ = 267579000.

The previous prime is 401454623. The next prime is 401454679. The reversal of 401454663 is 366454104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401454663 - 2¹⁷ = 401323591 is a prime.

It is a super-2 number, since 2×401454663² = 322331692888887138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401454623) 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 in 7 ways as a sum of consecutive naturals, for example, 6118 + ... + 28988.

It is an arithmetic number, because the mean of its divisors is an integer number (66923472).

Almost surely, 2^401454663 is an apocalyptic number.

401454663 is a deficient number, since it is larger than the sum of its proper divisors (133933113).

401454663 is a wasteful number, since it uses less digits than its factorization.

401454663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28725.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 401454663 is about 20036.3335717890. Note that the first 3 decimals coincide. The cubic root of 401454663 is about 737.6983899103.

The spelling of 401454663 in words is "four hundred one million, four hundred fifty-four thousand, six hundred sixty-three".