401038245 has 48 divisors (see below), whose sum is σ = 761445360. Its totient is φ = 194353152.

The previous prime is 401038241. The next prime is 401038259. The reversal of 401038245 is 542830104.

It can be written as a sum of positive squares in 8 ways, for example, as 60746436 + 340291809 = 7794^2 + 18447^2 .

It is not a de Polignac number, because 401038245 - 2² = 401038241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401038241) 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 47 ways as a sum of consecutive naturals, for example, 13147 + ... + 31223.

It is an arithmetic number, because the mean of its divisors is an integer number (15863445).

Almost surely, 2^401038245 is an apocalyptic number.

401038245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

401038245 is a deficient number, since it is larger than the sum of its proper divisors (360407115).

401038245 is a wasteful number, since it uses less digits than its factorization.

401038245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18134 (or 18131 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 401038245 is about 20025.9393038129. The cubic root of 401038245 is about 737.4432368454.

Adding to 401038245 its reverse (542830104), we get a palindrome (943868349).

The spelling of 401038245 in words is "four hundred one million, thirty-eight thousand, two hundred forty-five".