40765628 has 12 divisors (see below), whose sum is σ = 71885352. Its totient is φ = 20226960.

The previous prime is 40765579. The next prime is 40765631. The reversal of 40765628 is 82656704.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40765591 and 40765600.

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, 38375 + ... + 39422.

It is an arithmetic number, because the mean of its divisors is an integer number (5990446).

Almost surely, 2^40765628 is an apocalyptic number.

It is an amenable number.

40765628 is a deficient number, since it is larger than the sum of its proper divisors (31119724).

40765628 is a wasteful number, since it uses less digits than its factorization.

40765628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77932 (or 77930 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 40765628 is about 6384.7966294942. The cubic root of 40765628 is about 344.1634228918.

The spelling of 40765628 in words is "forty million, seven hundred sixty-five thousand, six hundred twenty-eight".