1400350402 has 16 divisors (see below), whose sum is σ = 2294168832. Its totient is φ = 635776720.

The previous prime is 1400350397. The next prime is 1400350421. The reversal of 1400350402 is 2040530041.

It is a self number, because there is not a number n which added to its sum of digits gives 1400350402.

It is an unprimeable number.

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, 17893 + ... + 55864.

It is an arithmetic number, because the mean of its divisors is an integer number (143385552).

Almost surely, 2^1400350402 is an apocalyptic number.

1400350402 is a deficient number, since it is larger than the sum of its proper divisors (893818430).

1400350402 is a wasteful number, since it uses less digits than its factorization.

1400350402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74633.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1400350402 is about 37421.2560184716. The cubic root of 1400350402 is about 1118.7822654490.

Adding to 1400350402 its reverse (2040530041), we get a palindrome (3440880443).

The spelling of 1400350402 in words is "one billion, four hundred million, three hundred fifty thousand, four hundred two".