401511535441 has 8 divisors (see below), whose sum is σ = 408094553984. Its totient is φ = 394980148800.

The previous prime is 401511535429. The next prime is 401511535487. The reversal of 401511535441 is 144535115104.

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 401511535441 - 2¹⁵ = 401511502673 is a prime.

It is a super-2 number, since 2×401511535441² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401511535397 and 401511535406.

It is not an unprimeable number, because it can be changed into a prime (401511535541) 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, 12892296 + ... + 12923401.

It is an arithmetic number, because the mean of its divisors is an integer number (51011819248).

Almost surely, 2^401511535441 is an apocalyptic number.

It is an amenable number.

401511535441 is a deficient number, since it is larger than the sum of its proper divisors (6583018543).

401511535441 is a wasteful number, since it uses less digits than its factorization.

401511535441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25815951.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 401511535441 in words is "four hundred one billion, five hundred eleven million, five hundred thirty-five thousand, four hundred forty-one".