40787652566 has 16 divisors (see below), whose sum is σ = 61352722944. Its totient is φ = 20336802024.

The previous prime is 40787652551. The next prime is 40787652569. The reversal of 40787652566 is 66525678704.

It is a super-3 number, since 3×40787652566³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40787652569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530431 + ... + 1556853.

It is an arithmetic number, because the mean of its divisors is an integer number (3834545184).

Almost surely, 2^40787652566 is an apocalyptic number.

40787652566 is a deficient number, since it is larger than the sum of its proper divisors (20565070378).

40787652566 is a wasteful number, since it uses less digits than its factorization.

40787652566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28555.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 40787652566 in words is "forty billion, seven hundred eighty-seven million, six hundred fifty-two thousand, five hundred sixty-six".