401442411 has 8 divisors (see below), whose sum is σ = 537292800. Its totient is φ = 266610152.

The previous prime is 401442407. The next prime is 401442413. The reversal of 401442411 is 114244104.

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

It is a cyclic number.

It is not a de Polignac number, because 401442411 - 2² = 401442407 is a prime.

It is a super-2 number, since 2×401442411² = 322312018698985842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401442413) 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, 253611 + ... + 255188.

It is an arithmetic number, because the mean of its divisors is an integer number (67161600).

Almost surely, 2^401442411 is an apocalyptic number.

401442411 is a deficient number, since it is larger than the sum of its proper divisors (135850389).

401442411 is a wasteful number, since it uses less digits than its factorization.

401442411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509065.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 401442411 is about 20036.0278248958. The cubic root of 401442411 is about 737.6908852250.

Adding to 401442411 its reverse (114244104), we get a palindrome (515686515).

It can be divided in two parts, 40 and 1442411, that added together give a triangular number (1442451 = T₁₆₉₈).

The spelling of 401442411 in words is "four hundred one million, four hundred forty-two thousand, four hundred eleven".