401200030 has 32 divisors (see below), whose sum is σ = 900357120. Its totient is φ = 125049120.

The previous prime is 401200003. The next prime is 401200061. The reversal of 401200030 is 30002104.

It is a super-2 number, since 2×401200030² = 321922928144001800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259750 + ... + 261289.

It is an arithmetic number, because the mean of its divisors is an integer number (28136160).

Almost surely, 2^401200030 is an apocalyptic number.

401200030 is an abundant number, since it is smaller than the sum of its proper divisors (499157090).

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

401200030 is a wasteful number, since it uses less digits than its factorization.

401200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521064.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 401200030 is about 20029.9782825644. The cubic root of 401200030 is about 737.5423888305.

Adding to 401200030 its reverse (30002104), we get a palindrome (431202134).

The spelling of 401200030 in words is "four hundred one million, two hundred thousand, thirty".