400512034 has 8 divisors (see below), whose sum is σ = 646981020. Its totient is φ = 184851696.

The previous prime is 400512029. The next prime is 400512037. The reversal of 400512034 is 430215004.

It can be written as a sum of positive squares in 2 ways, for example, as 399880009 + 632025 = 19997^2 + 795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (400512037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7702129 + ... + 7702180.

Almost surely, 2^400512034 is an apocalyptic number.

400512034 is a deficient number, since it is larger than the sum of its proper divisors (246468986).

400512034 is a wasteful number, since it uses less digits than its factorization.

400512034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15404324.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 400512034 is about 20012.7967560758. The cubic root of 400512034 is about 737.1205572382.

Adding to 400512034 its reverse (430215004), we get a palindrome (830727038).

The spelling of 400512034 in words is "four hundred million, five hundred twelve thousand, thirty-four".