40507171707 has 16 divisors (see below), whose sum is σ = 55275187968. Its totient is φ = 26372186400.

The previous prime is 40507171693. The next prime is 40507171709. The reversal of 40507171707 is 70717170504.

It is a happy number.

It is not a de Polignac number, because 40507171707 - 2¹⁴ = 40507155323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40507171709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821113 + ... + 869045.

It is an arithmetic number, because the mean of its divisors is an integer number (3454699248).

Almost surely, 2^40507171707 is an apocalyptic number.

40507171707 is a deficient number, since it is larger than the sum of its proper divisors (14768016261).

40507171707 is a wasteful number, since it uses less digits than its factorization.

40507171707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54530.

The product of its (nonzero) digits is 48020, while the sum is 39.

The spelling of 40507171707 in words is "forty billion, five hundred seven million, one hundred seventy-one thousand, seven hundred seven".