1402422340 has 96 divisors (see below), whose sum is σ = 3269185920. Its totient is φ = 501120000.

The previous prime is 1402422323. The next prime is 1402422367. The reversal of 1402422340 is 432242041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5587215 + ... + 5587465.

It is an arithmetic number, because the mean of its divisors is an integer number (34054020).

Almost surely, 2^1402422340 is an apocalyptic number.

1402422340 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 1402422340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634592960).

1402422340 is an abundant number, since it is smaller than the sum of its proper divisors (1866763580).

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

1402422340 is a wasteful number, since it uses less digits than its factorization.

1402422340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1402422340 is about 37448.9297577381. The cubic root of 1402422340 is about 1119.3337715042. Note that the first 3 decimals are identical.

Adding to 1402422340 its reverse (432242041), we get a palindrome (1834664381).

The spelling of 1402422340 in words is "one billion, four hundred two million, four hundred twenty-two thousand, three hundred forty".