400301061 has 8 divisors (see below), whose sum is σ = 546147360. Its totient is φ = 260661072.

The previous prime is 400301051. The next prime is 400301071. The reversal of 400301061 is 160103004.

It is an interprime number because it is at equal distance from previous prime (400301051) and next prime (400301071).

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

It is not a de Polignac number, because 400301061 - 2⁵ = 400301029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400301061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400301051) 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, 1551426 + ... + 1551683.

It is an arithmetic number, because the mean of its divisors is an integer number (68268420).

Almost surely, 2^400301061 is an apocalyptic number.

It is an amenable number.

400301061 is a deficient number, since it is larger than the sum of its proper divisors (145846299).

400301061 is a wasteful number, since it uses less digits than its factorization.

400301061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103155.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 400301061 is about 20007.5251093182. The cubic root of 400301061 is about 736.9911064053.

Adding to 400301061 its reverse (160103004), we get a palindrome (560404065).

The spelling of 400301061 in words is "four hundred million, three hundred one thousand, sixty-one".