400214442232 has 128 divisors (see below), whose sum is σ = 854242200000. Its totient is φ = 174114304000.

The previous prime is 400214442211. The next prime is 400214442263. The reversal of 400214442232 is 232244412004.

It is a super-3 number, since 3×400214442232³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400214442232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307619982 + ... + 307621282.

Almost surely, 2^400214442232 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 400214442232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427121100000).

400214442232 is an abundant number, since it is smaller than the sum of its proper divisors (454027757768).

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

400214442232 is a wasteful number, since it uses less digits than its factorization.

400214442232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305 (or 2301 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 400214442232 its reverse (232244412004), we get a palindrome (632458854236).

The spelling of 400214442232 in words is "four hundred billion, two hundred fourteen million, four hundred forty-two thousand, two hundred thirty-two".