40706617255 has 4 divisors (see below), whose sum is σ = 48847940712. Its totient is φ = 32565293800.

The previous prime is 40706617223. The next prime is 40706617267. The reversal of 40706617255 is 55271660704.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40706617255 - 2⁵ = 40706617223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4070661721 + ... + 4070661730.

It is an arithmetic number, because the mean of its divisors is an integer number (12211985178).

Almost surely, 2^40706617255 is an apocalyptic number.

40706617255 is a deficient number, since it is larger than the sum of its proper divisors (8141323457).

40706617255 is an equidigital number, since it uses as much as digits as its factorization.

40706617255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8141323456.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 40706617255 in words is "forty billion, seven hundred six million, six hundred seventeen thousand, two hundred fifty-five".