700800400 has 30 divisors (see below), whose sum is σ = 1683673922. Its totient is φ = 280320000.

The previous prime is 700800379. The next prime is 700800403. The reversal of 700800400 is 4008007.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 134931456 + 565868944 = 11616^2 + 23788^2 .

It is a super-2 number, since 2×700800400² = 982242401280320000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (700800403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 875601 + ... + 876400.

Almost surely, 2^700800400 is an apocalyptic number.

It is an amenable number.

700800400 is an abundant number, since it is smaller than the sum of its proper divisors (982873522).

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

700800400 is a wasteful number, since it uses less digits than its factorization.

700800400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752019 (or 1752008 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 700800400 is about 26472.6349274114. The cubic root of 700800400 is about 888.2422911069.

Adding to 700800400 its reverse (4008007), we get a palindrome (704808407).

The spelling of 700800400 in words is "seven hundred million, eight hundred thousand, four hundred".