401478484 has 18 divisors (see below), whose sum is σ = 772266362. Its totient is φ = 182490000.

The previous prime is 401478481. The next prime is 401478503. The reversal of 401478484 is 484874104.

It can be written as a sum of positive squares in only one way, i.e., 313644100 + 87834384 = 17710^2 + 9372^2 .

It is a super-2 number, since 2×401478484² = 322369946229876512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401478481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 414267 + ... + 415234.

Almost surely, 2^401478484 is an apocalyptic number.

401478484 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401478484 is a deficient number, since it is larger than the sum of its proper divisors (370787878).

401478484 is a wasteful number, since it uses less digits than its factorization.

401478484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829527 (or 829514 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 40.

The square root of 401478484 is about 20036.9280080555. The cubic root of 401478484 is about 737.7129804875.

The spelling of 401478484 in words is "four hundred one million, four hundred seventy-eight thousand, four hundred eighty-four".