40988436 has 24 divisors (see below), whose sum is σ = 95761344. Its totient is φ = 13645440.

The previous prime is 40988429. The next prime is 40988473. The reversal of 40988436 is 63488904.

40988436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10716 + ... + 14028.

It is an arithmetic number, because the mean of its divisors is an integer number (3990056).

Almost surely, 2^40988436 is an apocalyptic number.

It is an amenable number.

40988436 is an abundant number, since it is smaller than the sum of its proper divisors (54772908).

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

40988436 is a wasteful number, since it uses less digits than its factorization.

40988436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351 (or 4349 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 40988436 is about 6402.2211770603. The cubic root of 40988436 is about 344.7893021410.

The spelling of 40988436 in words is "forty million, nine hundred eighty-eight thousand, four hundred thirty-six".