400734848 has 32 divisors (see below), whose sum is σ = 803278560. Its totient is φ = 199127808.

The previous prime is 400734797. The next prime is 400734869. The reversal of 400734848 is 848437004.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11261 + ... + 30467.

It is an arithmetic number, because the mean of its divisors is an integer number (25102455).

Almost surely, 2^400734848 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 400734848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401639280).

400734848 is an abundant number, since it is smaller than the sum of its proper divisors (402543712).

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

400734848 is a wasteful number, since it uses less digits than its factorization.

400734848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19384 (or 19372 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 400734848 is about 20018.3627702167. The cubic root of 400734848 is about 737.2572242363.

The spelling of 400734848 in words is "four hundred million, seven hundred thirty-four thousand, eight hundred forty-eight".