401065769 has 8 divisors (see below), whose sum is σ = 432075840. Its totient is φ = 370078416.

The previous prime is 401065741. The next prime is 401065793. The reversal of 401065769 is 967560104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401065769 is a prime.

It is a super-2 number, since 2×401065769² = 321707502127122722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401065729) 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, 55334 + ... + 62160.

It is an arithmetic number, because the mean of its divisors is an integer number (54009480).

Almost surely, 2^401065769 is an apocalyptic number.

It is an amenable number.

401065769 is a deficient number, since it is larger than the sum of its proper divisors (31010071).

401065769 is a wasteful number, since it uses less digits than its factorization.

401065769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11359.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 401065769 is about 20026.6265007365. The cubic root of 401065769 is about 737.4601071594.

The spelling of 401065769 in words is "four hundred one million, sixty-five thousand, seven hundred sixty-nine".