40977748 has 12 divisors (see below), whose sum is σ = 81955552. Its totient is φ = 17561880.

The previous prime is 40977733. The next prime is 40977757. The reversal of 40977748 is 84777904.

40977748 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 40977698 and 40977707.

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, 731718 + ... + 731773.

Almost surely, 2^40977748 is an apocalyptic number.

It is an amenable number.

40977748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40977748 is a wasteful number, since it uses less digits than its factorization.

40977748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463502 (or 1463500 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 40977748 is about 6401.3864123329. The cubic root of 40977748 is about 344.7593308550.

The spelling of 40977748 in words is "forty million, nine hundred seventy-seven thousand, seven hundred forty-eight".