401240552 has 16 divisors (see below), whose sum is σ = 753248160. Its totient is φ = 200374384.

The previous prime is 401240519. The next prime is 401240563. The reversal of 401240552 is 255042104.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23708 + ... + 36939.

It is an arithmetic number, because the mean of its divisors is an integer number (47078010).

Almost surely, 2^401240552 is an apocalyptic number.

It is an amenable number.

401240552 is a deficient number, since it is larger than the sum of its proper divisors (352007608).

401240552 is a wasteful number, since it uses less digits than its factorization.

401240552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61480 (or 61476 counting only the distinct ones).

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

The square root of 401240552 is about 20030.9897908216. The cubic root of 401240552 is about 737.5672190766.

Adding to 401240552 its reverse (255042104), we get a palindrome (656282656).

The spelling of 401240552 in words is "four hundred one million, two hundred forty thousand, five hundred fifty-two".