40511028 has 24 divisors (see below), whose sum is σ = 97786080. Its totient is φ = 13037920.

The previous prime is 40510961. The next prime is 40511063. The reversal of 40511028 is 82011504.

It is a super-2 number, since 2×40511028² = 3282286779233568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40510995 and 40511013.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 57858 + ... + 58553.

It is an arithmetic number, because the mean of its divisors is an integer number (4074420).

Almost surely, 2^40511028 is an apocalyptic number.

It is an amenable number.

40511028 is an abundant number, since it is smaller than the sum of its proper divisors (57275052).

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

40511028 is a wasteful number, since it uses less digits than its factorization.

40511028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116447 (or 116445 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 40511028 is about 6364.8274132140. The cubic root of 40511028 is about 343.4454400821.

The spelling of 40511028 in words is "forty million, five hundred eleven thousand, twenty-eight".