400134314332 has 48 divisors (see below), whose sum is σ = 716478672672. Its totient is φ = 195459380480.

The previous prime is 400134314309. The next prime is 400134314339. The reversal of 400134314332 is 233413431004.

It is a self number, because there is not a number n which added to its sum of digits gives 400134314332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400134314339) 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, 112490298 + ... + 112493854.

It is an arithmetic number, because the mean of its divisors is an integer number (14926639014).

Almost surely, 2^400134314332 is an apocalyptic number.

It is an amenable number.

400134314332 is a deficient number, since it is larger than the sum of its proper divisors (316344358340).

400134314332 is a wasteful number, since it uses less digits than its factorization.

400134314332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718 (or 5716 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 400134314332 its reverse (233413431004), we get a palindrome (633547745336).

The spelling of 400134314332 in words is "four hundred billion, one hundred thirty-four million, three hundred fourteen thousand, three hundred thirty-two".