2309534400 has 84 divisors (see below), whose sum is σ = 7577213192. Its totient is φ = 615874560.

The previous prime is 2309534329. The next prime is 2309534407. The reversal of 2309534400 is 44359032.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2309534407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235777 + ... + 245376.

Almost surely, 2^2309534400 is an apocalyptic number.

2309534400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2309534400 is an abundant number, since it is smaller than the sum of its proper divisors (5267678792).

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

2309534400 is a wasteful number, since it uses less digits than its factorization.

2309534400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481178 (or 481163 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 2309534400 is about 48057.6154214917. The cubic root of 2309534400 is about 1321.8275878462.

The spelling of 2309534400 in words is "two billion, three hundred nine million, five hundred thirty-four thousand, four hundred".