400433334 has 128 divisors (see below), whose sum is σ = 1018967040. Its totient is φ = 102273024.

The previous prime is 400433323. The next prime is 400433357. The reversal of 400433334 is 433334004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1718482 + ... + 1718714.

It is an arithmetic number, because the mean of its divisors is an integer number (7960680).

Almost surely, 2^400433334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400433334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509483520).

400433334 is an abundant number, since it is smaller than the sum of its proper divisors (618533706).

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

400433334 is a wasteful number, since it uses less digits than its factorization.

400433334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374.

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 400433334 is about 20010.8304175514. The cubic root of 400433334 is about 737.0722730560.

Adding to 400433334 its reverse (433334004), we get a palindrome (833767338).

The spelling of 400433334 in words is "four hundred million, four hundred thirty-three thousand, three hundred thirty-four".