40551528 has 32 divisors (see below), whose sum is σ = 107343360. Its totient is φ = 12721920.

The previous prime is 40551527. The next prime is 40551551. The reversal of 40551528 is 82515504.

It is a junction number, because it is equal to n+sod(n) for n = 40551495 and 40551504.

It is not an unprimeable number, because it can be changed into a prime (40551527) 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 7 ways as a sum of consecutive naturals, for example, 49288 + ... + 50103.

It is an arithmetic number, because the mean of its divisors is an integer number (3354480).

Almost surely, 2^40551528 is an apocalyptic number.

It is an amenable number.

40551528 is an abundant number, since it is smaller than the sum of its proper divisors (66791832).

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

40551528 is a wasteful number, since it uses less digits than its factorization.

40551528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99417 (or 99413 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 40551528 is about 6368.0081658239. The cubic root of 40551528 is about 343.5598526123.

The spelling of 40551528 in words is "forty million, five hundred fifty-one thousand, five hundred twenty-eight".