1400212402 has 16 divisors (see below), whose sum is σ = 2220954624. Its totient is φ = 660996000.

The previous prime is 1400212393. The next prime is 1400212403. The reversal of 1400212402 is 2042120041.

It is not an unprimeable number, because it can be changed into a prime (1400212403) 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 7 ways as a sum of consecutive naturals, for example, 272874 + ... + 277957.

It is an arithmetic number, because the mean of its divisors is an integer number (138809664).

Almost surely, 2^1400212402 is an apocalyptic number.

1400212402 is a deficient number, since it is larger than the sum of its proper divisors (820742222).

1400212402 is a wasteful number, since it uses less digits than its factorization.

1400212402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550905.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1400212402 is about 37419.4121012076. The cubic root of 1400212402 is about 1118.7455134512.

Adding to 1400212402 its reverse (2042120041), we get a palindrome (3442332443).

The spelling of 1400212402 in words is "one billion, four hundred million, two hundred twelve thousand, four hundred two".