1400202340 has 48 divisors (see below), whose sum is σ = 3100749120. Its totient is φ = 529649280.

The previous prime is 1400202301. The next prime is 1400202341. The reversal of 1400202340 is 432020041.

It is not an unprimeable number, because it can be changed into a prime (1400202341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229935 + ... + 235945.

It is an arithmetic number, because the mean of its divisors is an integer number (64598940).

Almost surely, 2^1400202340 is an apocalyptic number.

1400202340 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 1400202340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550374560).

1400202340 is an abundant number, since it is smaller than the sum of its proper divisors (1700546780).

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

1400202340 is a wasteful number, since it uses less digits than its factorization.

1400202340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652 (or 6650 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1400202340 is about 37419.2776520339. The cubic root of 1400202340 is about 1118.7428336567.

Adding to 1400202340 its reverse (432020041), we get a palindrome (1832222381).

The spelling of 1400202340 in words is "one billion, four hundred million, two hundred two thousand, three hundred forty".