400448525332 has 48 divisors (see below), whose sum is σ = 710782490880. Its totient is φ = 197392291200.

The previous prime is 400448525291. The next prime is 400448525371. The reversal of 400448525332 is 233525844004.

It is a happy number.

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, 51726982 + ... + 51734722.

It is an arithmetic number, because the mean of its divisors is an integer number (14807968560).

Almost surely, 2^400448525332 is an apocalyptic number.

It is an amenable number.

400448525332 is a deficient number, since it is larger than the sum of its proper divisors (310333965548).

400448525332 is a wasteful number, since it uses less digits than its factorization.

400448525332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512 (or 8510 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 400448525332 in words is "four hundred billion, four hundred forty-eight million, five hundred twenty-five thousand, three hundred thirty-two".