1400211402 has 32 divisors (see below), whose sum is σ = 2823717888. Its totient is φ = 462867696.

The previous prime is 1400211401. The next prime is 1400211413. The reversal of 1400211402 is 2041120041.

It is not an unprimeable number, because it can be changed into a prime (1400211401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549343 + ... + 551885.

It is an arithmetic number, because the mean of its divisors is an integer number (88241184).

Almost surely, 2^1400211402 is an apocalyptic number.

1400211402 is an abundant number, since it is smaller than the sum of its proper divisors (1423506486).

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

1400211402 is a wasteful number, since it uses less digits than its factorization.

1400211402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1400211402 is about 37419.3987391567. The cubic root of 1400211402 is about 1118.7452471236.

Adding to 1400211402 its reverse (2041120041), we get a palindrome (3441331443).

The spelling of 1400211402 in words is "one billion, four hundred million, two hundred eleven thousand, four hundred two".