40303156 has 24 divisors (see below), whose sum is σ = 73460520. Its totient is φ = 19324032.

The previous prime is 40303139. The next prime is 40303157. The reversal of 40303156 is 65130304.

It can be written as a sum of positive squares in 4 ways, for example, as 14699556 + 25603600 = 3834^2 + 5060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40303157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17106 + ... + 19318.

It is an arithmetic number, because the mean of its divisors is an integer number (3060855).

Almost surely, 2^40303156 is an apocalyptic number.

It is an amenable number.

40303156 is a deficient number, since it is larger than the sum of its proper divisors (33157364).

40303156 is a wasteful number, since it uses less digits than its factorization.

40303156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 40303156 is about 6348.4766676739. The cubic root of 40303156 is about 342.8569982473.

The spelling of 40303156 in words is "forty million, three hundred three thousand, one hundred fifty-six".