400341132 has 36 divisors (see below), whose sum is σ = 1012593400. Its totient is φ = 133365312.

The previous prime is 400341127. The next prime is 400341167. The reversal of 400341132 is 231143004.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95619 + ... + 99717.

Almost surely, 2^400341132 is an apocalyptic number.

It is an amenable number.

400341132 is an abundant number, since it is smaller than the sum of its proper divisors (612252268).

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

400341132 is a wasteful number, since it uses less digits than its factorization.

400341132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6822 (or 6817 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 400341132 is about 20008.5264824774. The cubic root of 400341132 is about 737.0156970514.

Adding to 400341132 its reverse (231143004), we get a palindrome (631484136).

The spelling of 400341132 in words is "four hundred million, three hundred forty-one thousand, one hundred thirty-two".