402136343800 has 24 divisors (see below), whose sum is σ = 934966999800. Its totient is φ = 160854537440.

The previous prime is 402136343783. The next prime is 402136343923. The reversal of 402136343800 is 8343631204.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1005340660 + ... + 1005341059.

It is an arithmetic number, because the mean of its divisors is an integer number (38956958325).

Almost surely, 2^402136343800 is an apocalyptic number.

402136343800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402136343800 is an abundant number, since it is smaller than the sum of its proper divisors (532830656000).

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

402136343800 is a wasteful number, since it uses less digits than its factorization.

402136343800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010681735 (or 2010681726 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 402136343800 in words is "four hundred two billion, one hundred thirty-six million, three hundred forty-three thousand, eight hundred".