40489552 has 10 divisors (see below), whose sum is σ = 78448538. Its totient is φ = 20244768.

The previous prime is 40489541. The next prime is 40489573. The reversal of 40489552 is 25598404.

It can be written as a sum of positive squares in only one way, i.e., 37015056 + 3474496 = 6084^2 + 1864^2 .

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 as a sum of consecutive naturals, namely, 1265283 + ... + 1265314.

Almost surely, 2^40489552 is an apocalyptic number.

It is an amenable number.

40489552 is a deficient number, since it is larger than the sum of its proper divisors (37958986).

40489552 is a wasteful number, since it uses less digits than its factorization.

40489552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530605 (or 2530599 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 40489552 is about 6363.1401053254. The cubic root of 40489552 is about 343.3847394252.

It can be divided in two parts, 40489 and 552, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 40489552 in words is "forty million, four hundred eighty-nine thousand, five hundred fifty-two".