40768786261 has 8 divisors (see below), whose sum is σ = 46595165760. Its totient is φ = 34942973568.

The previous prime is 40768786259. The next prime is 40768786273. The reversal of 40768786261 is 16268786704.

40768786261 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 40768786261 - 2¹ = 40768786259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40768786241) 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, 25605 + ... + 286693.

It is an arithmetic number, because the mean of its divisors is an integer number (5824395720).

Almost surely, 2^40768786261 is an apocalyptic number.

It is an amenable number.

40768786261 is a deficient number, since it is larger than the sum of its proper divisors (5826379499).

40768786261 is a wasteful number, since it uses less digits than its factorization.

40768786261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283403.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 40768786261 in words is "forty billion, seven hundred sixty-eight million, seven hundred eighty-six thousand, two hundred sixty-one".