40706767971 has 40 divisors (see below), whose sum is σ = 67185306144. Its totient is φ = 24430982400.

The previous prime is 40706767961. The next prime is 40706767973. The reversal of 40706767971 is 17976760704.

It is not a de Polignac number, because 40706767971 - 2¹¹ = 40706765923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40706767973) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 610980 + ... + 674321.

Almost surely, 2^40706767971 is an apocalyptic number.

40706767971 is a deficient number, since it is larger than the sum of its proper divisors (26478538173).

40706767971 is a wasteful number, since it uses less digits than its factorization.

40706767971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285353 (or 1285344 counting only the distinct ones).

The product of its (nonzero) digits is 3111696, while the sum is 54.

The spelling of 40706767971 in words is "forty billion, seven hundred six million, seven hundred sixty-seven thousand, nine hundred seventy-one".