40030516 has 12 divisors (see below), whose sum is σ = 70417732. Its totient is φ = 19911168.

The previous prime is 40030513. The next prime is 40030561. The reversal of 40030516 is 61503004.

It can be written as a sum of positive squares in 2 ways, for example, as 26998416 + 13032100 = 5196^2 + 3610^2 .

It is a super-2 number, since 2×40030516² = 3204884422452512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40030493 and 40030502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40030513) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25155 + ... + 26698.

Almost surely, 2^40030516 is an apocalyptic number.

It is an amenable number.

40030516 is a deficient number, since it is larger than the sum of its proper divisors (30387216).

40030516 is a wasteful number, since it uses less digits than its factorization.

40030516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52050 (or 52048 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 40030516 is about 6326.9673620148. The cubic root of 40030516 is about 342.0821366050.

The spelling of 40030516 in words is "forty million, thirty thousand, five hundred sixteen".