40234000 has 40 divisors (see below), whose sum is σ = 97290648. Its totient is φ = 16092800.

The previous prime is 40233983. The next prime is 40234027. The reversal of 40234000 is 43204.

It can be written as a sum of positive squares in 4 ways, for example, as 5234944 + 34999056 = 2288^2 + 5916^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8059 + ... + 12058.

Almost surely, 2^40234000 is an apocalyptic number.

40234000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40234000 is an abundant number, since it is smaller than the sum of its proper divisors (57056648).

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

40234000 is a wasteful number, since it uses less digits than its factorization.

40234000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20140 (or 20124 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 40234000 is about 6343.0276682354. The cubic root of 40234000 is about 342.6607837278.

Adding to 40234000 its reverse (43204), we get a palindrome (40277204).

The spelling of 40234000 in words is "forty million, two hundred thirty-four thousand".