400014032 has 40 divisors (see below), whose sum is σ = 854236992. Its totient is φ = 179942400.

The previous prime is 400014031. The next prime is 400014037. The reversal of 400014032 is 230410004.

It is a super-2 number, since 2×400014032² = 320022451593794048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400013998 and 400014016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400014031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5357 + ... + 28787.

Almost surely, 2^400014032 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 400014032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427118496).

400014032 is an abundant number, since it is smaller than the sum of its proper divisors (454222960).

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

400014032 is a wasteful number, since it uses less digits than its factorization.

400014032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23547 (or 23541 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 400014032 is about 20000.3507969235. The cubic root of 400014032 is about 736.8149153490.

Adding to 400014032 its reverse (230410004), we get a palindrome (630424036).

The spelling of 400014032 in words is "four hundred million, fourteen thousand, thirty-two".