40530034 has 4 divisors (see below), whose sum is σ = 60795054. Its totient is φ = 20265016.

The previous prime is 40530031. The next prime is 40530041. The reversal of 40530034 is 43003504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36542025 + 3988009 = 6045^2 + 1997^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40529993 and 40530020.

It is not an unprimeable number, because it can be changed into a prime (40530031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10132507 + ... + 10132510.

Almost surely, 2^40530034 is an apocalyptic number.

40530034 is a deficient number, since it is larger than the sum of its proper divisors (20265020).

40530034 is a wasteful number, since it uses less digits than its factorization.

40530034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20265019.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 40530034 is about 6366.3202872617. The cubic root of 40530034 is about 343.4991415375.

Adding to 40530034 its reverse (43003504), we get a palindrome (83533538).

The spelling of 40530034 in words is "forty million, five hundred thirty thousand, thirty-four".