401967530 has 8 divisors (see below), whose sum is σ = 723541572. Its totient is φ = 160787008.

The previous prime is 401967523. The next prime is 401967539. The reversal of 401967530 is 35769104.

401967530 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 350026681 + 51940849 = 18709^2 + 7207^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401967539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20098367 + ... + 20098386.

Almost surely, 2^401967530 is an apocalyptic number.

401967530 is a deficient number, since it is larger than the sum of its proper divisors (321574042).

401967530 is a wasteful number, since it uses less digits than its factorization.

401967530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40196760.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 401967530 is about 20049.1279112085. The cubic root of 401967530 is about 738.0123981045.

The spelling of 401967530 in words is "four hundred one million, nine hundred sixty-seven thousand, five hundred thirty".