40505034 has 32 divisors (see below), whose sum is σ = 85063680. Its totient is φ = 12841200.

The previous prime is 40505029. The next prime is 40505039. The reversal of 40505034 is 43050504.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40505029) and next prime (40505039).

It is a self number, because there is not a number n which added to its sum of digits gives 40505034.

It is not an unprimeable number, because it can be changed into a prime (40505039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9129 + ... + 12819.

It is an arithmetic number, because the mean of its divisors is an integer number (2658240).

Almost surely, 2^40505034 is an apocalyptic number.

40505034 is an abundant number, since it is smaller than the sum of its proper divisors (44558646).

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

40505034 is a wasteful number, since it uses less digits than its factorization.

40505034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 40505034 is about 6364.3565267826. The cubic root of 40505034 is about 343.4285005506.

Adding to 40505034 its reverse (43050504), we get a palindrome (83555538).

The spelling of 40505034 in words is "forty million, five hundred five thousand, thirty-four".