1402332140 has 48 divisors (see below), whose sum is σ = 3216084480. Its totient is φ = 509388480.

The previous prime is 1402332133. The next prime is 1402332179. The reversal of 1402332140 is 412332041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239771 + ... + 245549.

It is an arithmetic number, because the mean of its divisors is an integer number (67001760).

Almost surely, 2^1402332140 is an apocalyptic number.

1402332140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402332140 is an abundant number, since it is smaller than the sum of its proper divisors (1813752340).

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

1402332140 is a wasteful number, since it uses less digits than its factorization.

1402332140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902 (or 6900 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1402332140 is about 37447.7254315933. The cubic root of 1402332140 is about 1119.3097734860.

Adding to 1402332140 its reverse (412332041), we get a palindrome (1814664181).

Subtracting from 1402332140 its reverse (412332041), we obtain a palindrome (990000099).

The spelling of 1402332140 in words is "one billion, four hundred two million, three hundred thirty-two thousand, one hundred forty".