400132100446 has 32 divisors (see below), whose sum is σ = 682050448800. Its totient is φ = 174528691200.

The previous prime is 400132100437. The next prime is 400132100447. The reversal of 400132100446 is 644001231004.

It is a self number, because there is not a number n which added to its sum of digits gives 400132100446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400132100447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788155 + ... + 1192246.

It is an arithmetic number, because the mean of its divisors is an integer number (21314076525).

Almost surely, 2^400132100446 is an apocalyptic number.

400132100446 is a deficient number, since it is larger than the sum of its proper divisors (281918348354).

400132100446 is a wasteful number, since it uses less digits than its factorization.

400132100446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980844.

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 400132100446 in words is "four hundred billion, one hundred thirty-two million, one hundred thousand, four hundred forty-six".