400200689712 has 160 divisors (see below), whose sum is σ = 1093313523456. Its totient is φ = 125991936000.

The previous prime is 400200689687. The next prime is 400200689729. The reversal of 400200689712 is 217986002004.

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 31 ways as a sum of consecutive naturals, for example, 9541587 + ... + 9583437.

Almost surely, 2^400200689712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400200689712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546656761728).

400200689712 is an abundant number, since it is smaller than the sum of its proper divisors (693112833744).

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

400200689712 is a wasteful number, since it uses less digits than its factorization.

400200689712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42059 (or 42053 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 400200689712 in words is "four hundred billion, two hundred million, six hundred eighty-nine thousand, seven hundred twelve".