1402200400 has 30 divisors (see below), whose sum is σ = 3368787422. Its totient is φ = 560880000.

The previous prime is 1402200379. The next prime is 1402200403. The reversal of 1402200400 is 40022041.

It can be written as a sum of positive squares in 3 ways, for example, as 161188416 + 1241011984 = 12696^2 + 35228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402200403) 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, 1752351 + ... + 1753150.

Almost surely, 2^1402200400 is an apocalyptic number.

1402200400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402200400 is an abundant number, since it is smaller than the sum of its proper divisors (1966587022).

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

1402200400 is a wasteful number, since it uses less digits than its factorization.

1402200400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505519 (or 3505508 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1402200400 is about 37445.9664049414. The cubic root of 1402200400 is about 1119.2747217596.

Adding to 1402200400 its reverse (40022041), we get a palindrome (1442222441).

The spelling of 1402200400 in words is "one billion, four hundred two million, two hundred thousand, four hundred".