400346050 has 96 divisors (see below), whose sum is σ = 852445440. Its totient is φ = 138758400.

The previous prime is 400346041. The next prime is 400346057. The reversal of 400346050 is 50643004.

It is not an unprimeable number, because it can be changed into a prime (400346057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 911731 + ... + 912169.

It is an arithmetic number, because the mean of its divisors is an integer number (8879640).

Almost surely, 2^400346050 is an apocalyptic number.

400346050 is an abundant number, since it is smaller than the sum of its proper divisors (452099390).

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

400346050 is a wasteful number, since it uses less digits than its factorization.

400346050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 400346050 is about 20008.6493797058. The cubic root of 400346050 is about 737.0187150013.

Adding to 400346050 its reverse (50643004), we get a palindrome (450989054).

The spelling of 400346050 in words is "four hundred million, three hundred forty-six thousand, fifty".