40519928 has 16 divisors (see below), whose sum is σ = 79278480. Its totient is φ = 19379008.

The previous prime is 40519909. The next prime is 40519949. The reversal of 40519928 is 82991504.

It is a junction number, because it is equal to n+sod(n) for n = 40519891 and 40519900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109925 + ... + 110292.

It is an arithmetic number, because the mean of its divisors is an integer number (4954905).

Almost surely, 2^40519928 is an apocalyptic number.

It is an amenable number.

40519928 is a deficient number, since it is larger than the sum of its proper divisors (38758552).

40519928 is a wasteful number, since it uses less digits than its factorization.

40519928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220246 (or 220242 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 40519928 is about 6365.5265296753. The cubic root of 40519928 is about 343.4705891238.

The spelling of 40519928 in words is "forty million, five hundred nineteen thousand, nine hundred twenty-eight".