40030337 has 4 divisors (see below), whose sum is σ = 41112276. Its totient is φ = 38948400.

The previous prime is 40030313. The next prime is 40030357. The reversal of 40030337 is 73303004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30019441 + 10010896 = 5479^2 + 3164^2 .

It is a cyclic number.

It is not a de Polignac number, because 40030337 - 2¹⁰ = 40029313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40030357) 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, 540914 + ... + 540987.

It is an arithmetic number, because the mean of its divisors is an integer number (10278069).

Almost surely, 2^40030337 is an apocalyptic number.

It is an amenable number.

40030337 is a deficient number, since it is larger than the sum of its proper divisors (1081939).

40030337 is a wasteful number, since it uses less digits than its factorization.

40030337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081938.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 40030337 is about 6326.9532162013. The cubic root of 40030337 is about 342.0816267208.

The spelling of 40030337 in words is "forty million, thirty thousand, three hundred thirty-seven".