40907707 has 2 divisors, whose sum is σ = 40907708. Its totient is φ = 40907706.

The previous prime is 40907689. The next prime is 40907723. The reversal of 40907707 is 70770904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40907707 - 2⁷ = 40907579 is a prime.

It is not a weakly prime, because it can be changed into another prime (40907747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20453853 + 20453854.

It is an arithmetic number, because the mean of its divisors is an integer number (20453854).

Almost surely, 2^40907707 is an apocalyptic number.

40907707 is a deficient number, since it is larger than the sum of its proper divisors (1).

40907707 is an equidigital number, since it uses as much as digits as its factorization.

40907707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 40907707 is about 6395.9133046032. The cubic root of 40907707 is about 344.5627928116.

It can be divided in two parts, 40907 and 707, that added together give a palindrome (41614).

The spelling of 40907707 in words is "forty million, nine hundred seven thousand, seven hundred seven".