40780068 has 48 divisors (see below), whose sum is σ = 111694464. Its totient is φ = 11335680.

The previous prime is 40780049. The next prime is 40780073. The reversal of 40780068 is 86008704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3453 + ... + 9668.

It is an arithmetic number, because the mean of its divisors is an integer number (2326968).

Almost surely, 2^40780068 is an apocalyptic number.

It is an amenable number.

40780068 is an abundant number, since it is smaller than the sum of its proper divisors (70914396).

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

40780068 is a wasteful number, since it uses less digits than its factorization.

40780068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13172 (or 13170 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 40780068 is about 6385.9273406452. The cubic root of 40780068 is about 344.2040546151.

The spelling of 40780068 in words is "forty million, seven hundred eighty thousand, sixty-eight".