400240848 has 160 divisors (see below), whose sum is σ = 1253062656. Its totient is φ = 107610624.

The previous prime is 400240847. The next prime is 400240853. The reversal of 400240848 is 848042004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400240847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517390 + ... + 518162.

Almost surely, 2^400240848 is an apocalyptic number.

400240848 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400240848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626531328).

400240848 is an abundant number, since it is smaller than the sum of its proper divisors (852821808).

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

400240848 is a wasteful number, since it uses less digits than its factorization.

400240848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 400240848 is about 20006.0202939015. The cubic root of 400240848 is about 736.9541519935.

It can be divided in two parts, 4002 and 40848, that added together give a triangular number (44850 = T₂₉₉).

The spelling of 400240848 in words is "four hundred million, two hundred forty thousand, eight hundred forty-eight".