400201183008 has 144 divisors (see below), whose sum is σ = 1270406513376. Its totient is φ = 118452741120.

The previous prime is 400201182947. The next prime is 400201183009. The reversal of 400201183008 is 800381102004.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (400201183009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1332685 + ... + 1605132.

It is an arithmetic number, because the mean of its divisors is an integer number (8822267454).

Almost surely, 2^400201183008 is an apocalyptic number.

400201183008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

400201183008 is an abundant number, since it is smaller than the sum of its proper divisors (870205330368).

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

400201183008 is a wasteful number, since it uses less digits than its factorization.

400201183008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937887 (or 2937876 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 400201183008 in words is "four hundred billion, two hundred one million, one hundred eighty-three thousand, eight".