401220030 has 16 divisors (see below), whose sum is σ = 962928144. Its totient is φ = 106992000.

The previous prime is 401220023. The next prime is 401220031. The reversal of 401220030 is 30022104.

It is a junction number, because it is equal to n+sod(n) for n = 401219988 and 401220015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401220031) 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 7 ways as a sum of consecutive naturals, for example, 6686971 + ... + 6687030.

It is an arithmetic number, because the mean of its divisors is an integer number (60183009).

Almost surely, 2^401220030 is an apocalyptic number.

401220030 is an abundant number, since it is smaller than the sum of its proper divisors (561708114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401220030 is a wasteful number, since it uses less digits than its factorization.

401220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13374011.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 401220030 is about 20030.4775280072. The cubic root of 401220030 is about 737.5546442322.

Adding to 401220030 its reverse (30022104), we get a palindrome (431242134).

It can be divided in two parts, 4012 and 20030, that added together give a palindrome (24042).

The spelling of 401220030 in words is "four hundred one million, two hundred twenty thousand, thirty".