40234064 has 20 divisors (see below), whose sum is σ = 83950356. Its totient is φ = 18569472.

The previous prime is 40234031. The next prime is 40234069. The reversal of 40234064 is 46043204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2534464 + 37699600 = 1592^2 + 6140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234069) 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, 96509 + ... + 96924.

Almost surely, 2^40234064 is an apocalyptic number.

It is an amenable number.

40234064 is an abundant number, since it is smaller than the sum of its proper divisors (43716292).

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

40234064 is a wasteful number, since it uses less digits than its factorization.

40234064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193454 (or 193448 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 40234064 is about 6343.0327131428. The cubic root of 40234064 is about 342.6609654173.

Adding to 40234064 its reverse (46043204), we get a palindrome (86277268).

The spelling of 40234064 in words is "forty million, two hundred thirty-four thousand, sixty-four".