40787761707 has 64 divisors (see below), whose sum is σ = 76398059520. Its totient is φ = 20889943200.

The previous prime is 40787761687. The next prime is 40787761709. The reversal of 40787761707 is 70716778704.

It is a happy number.

It is not a de Polignac number, because 40787761707 - 2¹² = 40787757611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40787761709) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9448 + ... + 285770.

It is an arithmetic number, because the mean of its divisors is an integer number (1193719680).

Almost surely, 2^40787761707 is an apocalyptic number.

40787761707 is a deficient number, since it is larger than the sum of its proper divisors (35610297813).

40787761707 is a wasteful number, since it uses less digits than its factorization.

40787761707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276421 (or 276415 counting only the distinct ones).

The product of its (nonzero) digits is 3226944, while the sum is 54.

The spelling of 40787761707 in words is "forty billion, seven hundred eighty-seven million, seven hundred sixty-one thousand, seven hundred seven".