401543254 has 16 divisors (see below), whose sum is σ = 697075200. Its totient is φ = 169911144.

The previous prime is 401543243. The next prime is 401543257. The reversal of 401543254 is 452345104.

It is a super-2 number, since 2×401543254² = 322473969665817032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401543257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180424 + ... + 182635.

It is an arithmetic number, because the mean of its divisors is an integer number (43567200).

Almost surely, 2^401543254 is an apocalyptic number.

401543254 is a deficient number, since it is larger than the sum of its proper divisors (295531946).

401543254 is a wasteful number, since it uses less digits than its factorization.

401543254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363147.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 401543254 is about 20038.5442085996. The cubic root of 401543254 is about 737.7526497785.

Adding to 401543254 its reverse (452345104), we get a palindrome (853888358).

The spelling of 401543254 in words is "four hundred one million, five hundred forty-three thousand, two hundred fifty-four".