40257776777305 has 16 divisors (see below), whose sum is σ = 48618179817984. Its totient is φ = 32000332628160.

The previous prime is 40257776777291. The next prime is 40257776777363. The reversal of 40257776777305 is 50377767775204.

It is a happy number.

It is not a de Polignac number, because 40257776777305 - 2²³ = 40257768388697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34013904 + ... + 35177566.

It is an arithmetic number, because the mean of its divisors is an integer number (3038636238624).

Almost surely, 2^{40257776777305} is an apocalyptic number.

It is an amenable number.

40257776777305 is a deficient number, since it is larger than the sum of its proper divisors (8360403040679).

40257776777305 is a wasteful number, since it uses less digits than its factorization.

40257776777305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207896.

The product of its (nonzero) digits is 423536400, while the sum is 67.

The spelling of 40257776777305 in words is "forty trillion, two hundred fifty-seven billion, seven hundred seventy-six million, seven hundred seventy-seven thousand, three hundred five".