401012552 has 16 divisors (see below), whose sum is σ = 752117100. Its totient is φ = 200448000.

The previous prime is 401012503. The next prime is 401012569. The reversal of 401012552 is 255210104.

It can be written as a sum of positive squares in 2 ways, for example, as 354418276 + 46594276 = 18826^2 + 6826^2 .

It is a super-2 number, since 2×401012552² = 321622133723105408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40052 + ... + 49052.

Almost surely, 2^401012552 is an apocalyptic number.

It is an amenable number.

401012552 is a deficient number, since it is larger than the sum of its proper divisors (351104548).

401012552 is a wasteful number, since it uses less digits than its factorization.

401012552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14576 (or 14572 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 401012552 is about 20025.2978005322. The cubic root of 401012552 is about 737.4274881116.

Adding to 401012552 its reverse (255210104), we get a palindrome (656222656).

The spelling of 401012552 in words is "four hundred one million, twelve thousand, five hundred fifty-two".