401403115 has 16 divisors (see below), whose sum is σ = 489468096. Its totient is φ = 315952000.

The previous prime is 401403113. The next prime is 401403217. The reversal of 401403115 is 511304104.

It is not a de Polignac number, because 401403115 - 2¹ = 401403113 is a prime.

It is a super-2 number, since 2×401403115² = 322248921463406450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401403092 and 401403101.

It is not an unprimeable number, because it can be changed into a prime (401403113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248049 + ... + 249661.

It is an arithmetic number, because the mean of its divisors is an integer number (30591756).

Almost surely, 2^401403115 is an apocalyptic number.

401403115 is a deficient number, since it is larger than the sum of its proper divisors (88064981).

401403115 is a wasteful number, since it uses less digits than its factorization.

401403115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 401403115 is about 20035.0471674014. The cubic root of 401403115 is about 737.6668143196. Note that the first 3 decimals are identical.

Adding to 401403115 its reverse (511304104), we get a palindrome (912707219).

The spelling of 401403115 in words is "four hundred one million, four hundred three thousand, one hundred fifteen".