40063434 has 8 divisors (see below), whose sum is σ = 80126880. Its totient is φ = 13354476.

The previous prime is 40063433. The next prime is 40063453. The reversal of 40063434 is 43436004.

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

40063434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40063433) 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, 3338614 + ... + 3338625.

It is an arithmetic number, because the mean of its divisors is an integer number (10015860).

Almost surely, 2^40063434 is an apocalyptic number.

40063434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40063434 is a wasteful number, since it uses less digits than its factorization.

40063434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677244.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 40063434 is about 6329.5682317201. The cubic root of 40063434 is about 342.1758782108.

Adding to 40063434 its reverse (43436004), we get a palindrome (83499438).

The spelling of 40063434 in words is "forty million, sixty-three thousand, four hundred thirty-four".