40469537 has 12 divisors (see below), whose sum is σ = 43246476. Its totient is φ = 37862400.

The previous prime is 40469461. The next prime is 40469543. The reversal of 40469537 is 73596404.

It can be written as a sum of positive squares in 6 ways, for example, as 4096576 + 36372961 = 2024^2 + 6031^2 .

It is not a de Polignac number, because 40469537 - 2⁸ = 40469281 is a prime.

It is a Duffinian number.

40469537 is a modest number, since divided by 9537 gives 4046 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 40469537.

It is not an unprimeable number, because it can be changed into a prime (40469557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67037 + ... + 67637.

It is an arithmetic number, because the mean of its divisors is an integer number (3603873).

Almost surely, 2^40469537 is an apocalyptic number.

It is an amenable number.

40469537 is a deficient number, since it is larger than the sum of its proper divisors (2776939).

40469537 is a wasteful number, since it uses less digits than its factorization.

40469537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 40469537 is about 6361.5671811276. The cubic root of 40469537 is about 343.3281488728.

The spelling of 40469537 in words is "forty million, four hundred sixty-nine thousand, five hundred thirty-seven".