40077528 has 16 divisors (see below), whose sum is σ = 100193880. Its totient is φ = 13359168.

The previous prime is 40077493. The next prime is 40077539. The reversal of 40077528 is 82577004.

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 3 ways as a sum of consecutive naturals, for example, 834925 + ... + 834972.

Almost surely, 2^40077528 is an apocalyptic number.

It is an amenable number.

40077528 is an abundant number, since it is smaller than the sum of its proper divisors (60116352).

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

40077528 is a wasteful number, since it uses less digits than its factorization.

40077528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669906 (or 1669902 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 40077528 is about 6330.6814799040. The cubic root of 40077528 is about 342.2159984313.

The spelling of 40077528 in words is "forty million, seventy-seven thousand, five hundred twenty-eight".