1408400356 has 12 divisors (see below), whose sum is σ = 2688764400. Its totient is φ = 640181960.

The previous prime is 1408400351. The next prime is 1408400363. The reversal of 1408400356 is 6530048041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1408400351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16004506 + ... + 16004593.

It is an arithmetic number, because the mean of its divisors is an integer number (224063700).

Almost surely, 2^1408400356 is an apocalyptic number.

It is an amenable number.

1408400356 is a deficient number, since it is larger than the sum of its proper divisors (1280364044).

1408400356 is a wasteful number, since it uses less digits than its factorization.

1408400356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32009114 (or 32009112 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1408400356 is about 37528.6604610396. The cubic root of 1408400356 is about 1120.9219545110.

Adding to 1408400356 its reverse (6530048041), we get a palindrome (7938448397).

The spelling of 1408400356 in words is "one billion, four hundred eight million, four hundred thousand, three hundred fifty-six".