2143400448 has 160 divisors (see below), whose sum is σ = 6571293696. Its totient is φ = 608145408.

The previous prime is 2143400437. The next prime is 2143400459. The reversal of 2143400448 is 8440043412.

It is an interprime number because it is at equal distance from previous prime (2143400437) and next prime (2143400459).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1751965 + ... + 1753187.

Almost surely, 2^2143400448 is an apocalyptic number.

2143400448 is a gapful number since it is divisible by the number (28) 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 2143400448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3285646848).

2143400448 is an abundant number, since it is smaller than the sum of its proper divisors (4427893248).

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

2143400448 is a wasteful number, since it uses less digits than its factorization.

2143400448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 2143400448 is about 46296.8729829564. The cubic root of 2143400448 is about 1289.3409385063.

The spelling of 2143400448 in words is "two billion, one hundred forty-three million, four hundred thousand, four hundred forty-eight".