1200340480 has 40 divisors (see below), whose sum is σ = 2878009992. Its totient is φ = 480135168.

The previous prime is 1200340391. The next prime is 1200340481. The reversal of 1200340480 is 840430021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200340481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231882 + ... + 237001.

Almost surely, 2^1200340480 is an apocalyptic number.

1200340480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200340480 is an abundant number, since it is smaller than the sum of its proper divisors (1677669512).

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

1200340480 is an frugal number, since it uses more digits than its factorization.

1200340480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468906 (or 468890 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1200340480 is about 34645.9302083232. The cubic root of 1200340480 is about 1062.7590635647.

The spelling of 1200340480 in words is "one billion, two hundred million, three hundred forty thousand, four hundred eighty".