400845248 has 14 divisors (see below), whose sum is σ = 795427416. Its totient is φ = 200422592.

The previous prime is 400845229. The next prime is 400845301. The reversal of 400845248 is 842548004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3131540 + ... + 3131667.

It is an arithmetic number, because the mean of its divisors is an integer number (56816244).

Almost surely, 2^400845248 is an apocalyptic number.

It is an amenable number.

400845248 is a deficient number, since it is larger than the sum of its proper divisors (394582168).

400845248 is an equidigital number, since it uses as much as digits as its factorization.

400845248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6263219 (or 6263209 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 400845248 is about 20021.1200485887. The cubic root of 400845248 is about 737.3249213056.

The spelling of 400845248 in words is "four hundred million, eight hundred forty-five thousand, two hundred forty-eight".