401204552 has 48 divisors (see below), whose sum is σ = 881077500. Its totient is φ = 170765952.

The previous prime is 401204533. The next prime is 401204563. The reversal of 401204552 is 255402104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 291248356 + 109956196 = 17066^2 + 10486^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54974 + ... + 61842.

Almost surely, 2^401204552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401204552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440538750).

401204552 is an abundant number, since it is smaller than the sum of its proper divisors (479872948).

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

401204552 is a wasteful number, since it uses less digits than its factorization.

401204552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7038 (or 7027 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 401204552 is about 20030.0911630477. The cubic root of 401204552 is about 737.5451598124.

Adding to 401204552 its reverse (255402104), we get a palindrome (656606656).

The spelling of 401204552 in words is "four hundred one million, two hundred four thousand, five hundred fifty-two".