2400001200 has 90 divisors (see below), whose sum is σ = 8328683324. Its totient is φ = 639999360.

The previous prime is 2400001199. The next prime is 2400001211. The reversal of 2400001200 is 21000042.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 329734 + ... + 336933.

Almost surely, 2^2400001200 is an apocalyptic number.

2400001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400001200 is an abundant number, since it is smaller than the sum of its proper divisors (5928682124).

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

2400001200 is a wasteful number, since it uses less digits than its factorization.

2400001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666691 (or 666677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2400001200 is about 48989.8071031107. The cubic root of 2400001200 is about 1338.8661233086.

Adding to 2400001200 its reverse (21000042), we get a palindrome (2421001242).

The spelling of 2400001200 in words is "two billion, four hundred million, one thousand, two hundred".