40537330 has 16 divisors (see below), whose sum is σ = 73042200. Its totient is φ = 16198272.

The previous prime is 40537327. The next prime is 40537363. The reversal of 40537330 is 3373504.

40537330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 38402809 + 2134521 = 6197^2 + 1461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40537295 and 40537304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14182 + ... + 16798.

Almost surely, 2^40537330 is an apocalyptic number.

40537330 is a deficient number, since it is larger than the sum of its proper divisors (32504870).

40537330 is a wasteful number, since it uses less digits than its factorization.

40537330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 40537330 is about 6366.8932769444. The cubic root of 40537330 is about 343.5197519271.

The spelling of 40537330 in words is "forty million, five hundred thirty-seven thousand, three hundred thirty".