401613441 has 4 divisors (see below), whose sum is σ = 535484592. Its totient is φ = 267742292.

The previous prime is 401613427. The next prime is 401613461. The reversal of 401613441 is 144316104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401613441 - 2⁷ = 401613313 is a prime.

It is a super-2 number, since 2×401613441² = 322586711983720962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401613461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66935571 + ... + 66935576.

It is an arithmetic number, because the mean of its divisors is an integer number (133871148).

Almost surely, 2^401613441 is an apocalyptic number.

It is an amenable number.

401613441 is a deficient number, since it is larger than the sum of its proper divisors (133871151).

401613441 is a wasteful number, since it uses less digits than its factorization.

401613441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133871150.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 401613441 is about 20040.2954319541. The cubic root of 401613441 is about 737.7956319712.

Adding to 401613441 its reverse (144316104), we get a palindrome (545929545).

The spelling of 401613441 in words is "four hundred one million, six hundred thirteen thousand, four hundred forty-one".