1402231400 has 96 divisors (see below), whose sum is σ = 3509072280. Its totient is φ = 519168000.

The previous prime is 1402231399. The next prime is 1402231421. The reversal of 1402231400 is 41322041.

It can be written as a sum of positive squares in 12 ways, for example, as 89908324 + 1312323076 = 9482^2 + 36226^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204020 + ... + 210780.

Almost surely, 2^1402231400 is an apocalyptic number.

1402231400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402231400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1754536140).

1402231400 is an abundant number, since it is smaller than the sum of its proper divisors (2106840880).

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

1402231400 is a wasteful number, since it uses less digits than its factorization.

1402231400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855 (or 6846 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1402231400 is about 37446.3803324166. The cubic root of 1402231400 is about 1119.2829700482.

Adding to 1402231400 its reverse (41322041), we get a palindrome (1443553441).

The spelling of 1402231400 in words is "one billion, four hundred two million, two hundred thirty-one thousand, four hundred".