401405030 has 16 divisors (see below), whose sum is σ = 778108464. Its totient is φ = 148211040.

The previous prime is 401405023. The next prime is 401405057. The reversal of 401405030 is 30504104.

It is a super-2 number, since 2×401405030² = 322251996218601800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543736 + ... + 1543995.

It is an arithmetic number, because the mean of its divisors is an integer number (48631779).

Almost surely, 2^401405030 is an apocalyptic number.

401405030 is a deficient number, since it is larger than the sum of its proper divisors (376703434).

401405030 is a wasteful number, since it uses less digits than its factorization.

401405030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087751.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 401405030 is about 20035.0949585970. The cubic root of 401405030 is about 737.6679873961.

Adding to 401405030 its reverse (30504104), we get a palindrome (431909134).

The spelling of 401405030 in words is "four hundred one million, four hundred five thousand, thirty".