1401000402 has 8 divisors (see below), whose sum is σ = 2802000816. Its totient is φ = 467000132.

The previous prime is 1401000401. The next prime is 1401000421. The reversal of 1401000402 is 2040001041.

It is a sphenic number, since it is the product of 3 distinct primes.

1401000402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1401000401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116750028 + ... + 116750039.

It is an arithmetic number, because the mean of its divisors is an integer number (350250102).

Almost surely, 2^1401000402 is an apocalyptic number.

1401000402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1401000402 is a wasteful number, since it uses less digits than its factorization.

1401000402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233500072.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1401000402 is about 37429.9399144589. The cubic root of 1401000402 is about 1118.9553402224.

Adding to 1401000402 its reverse (2040001041), we get a palindrome (3441001443).

The spelling of 1401000402 in words is "one billion, four hundred one million, four hundred two", and thus it is an aban number.