40510038 has 32 divisors (see below), whose sum is σ = 84877056. Its totient is φ = 12865248.

The previous prime is 40510037. The next prime is 40510051. The reversal of 40510038 is 83001504.

It is a super-2 number, since 2×40510038² = 3282126357522888, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40509996 and 40510023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40510037) 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 15 ways as a sum of consecutive naturals, for example, 51081 + ... + 51867.

It is an arithmetic number, because the mean of its divisors is an integer number (2652408).

Almost surely, 2^40510038 is an apocalyptic number.

40510038 is an abundant number, since it is smaller than the sum of its proper divisors (44367018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40510038 is a wasteful number, since it uses less digits than its factorization.

40510038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 40510038 is about 6364.7496415806. The cubic root of 40510038 is about 343.4426423768.

The spelling of 40510038 in words is "forty million, five hundred ten thousand, thirty-eight".