1400002402 has 16 divisors (see below), whose sum is σ = 2111627232. Its totient is φ = 696134560.

The previous prime is 1400002393. The next prime is 1400002421. The reversal of 1400002402 is 2042000041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551877 + ... + 554407.

It is an arithmetic number, because the mean of its divisors is an integer number (131976702).

Almost surely, 2^1400002402 is an apocalyptic number.

1400002402 is a deficient number, since it is larger than the sum of its proper divisors (711624830).

1400002402 is a wasteful number, since it uses less digits than its factorization.

1400002402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1400002402 is about 37416.6059658008. The cubic root of 1400002402 is about 1118.6895818646.

Adding to 1400002402 its reverse (2042000041), we get a palindrome (3442002443).

The spelling of 1400002402 in words is "one billion, four hundred million, two thousand, four hundred two".