40765661465 has 8 divisors (see below), whose sum is σ = 48930989760. Its totient is φ = 32604398512.

The previous prime is 40765661393. The next prime is 40765661483. The reversal of 40765661465 is 56416656704.

40765661465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40765661465 - 2¹⁸ = 40765399321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994229 + ... + 1034418.

It is an arithmetic number, because the mean of its divisors is an integer number (6116373720).

Almost surely, 2^40765661465 is an apocalyptic number.

It is an amenable number.

40765661465 is a deficient number, since it is larger than the sum of its proper divisors (8165328295).

40765661465 is a wasteful number, since it uses less digits than its factorization.

40765661465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032671.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 40765661465 in words is "forty billion, seven hundred sixty-five million, six hundred sixty-one thousand, four hundred sixty-five".