40071273147 has 12 divisors (see below), whose sum is σ = 57908947824. Its totient is φ = 26701157520.

The previous prime is 40071273133. The next prime is 40071273169. The reversal of 40071273147 is 74137217004.

It is not a de Polignac number, because 40071273147 - 2¹⁰ = 40071272123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40071273197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1065879 + ... + 1102832.

It is an arithmetic number, because the mean of its divisors is an integer number (4825745652).

Almost surely, 2^40071273147 is an apocalyptic number.

40071273147 is a deficient number, since it is larger than the sum of its proper divisors (17837674677).

40071273147 is a wasteful number, since it uses less digits than its factorization.

40071273147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170770 (or 2170767 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 40071273147 in words is "forty billion, seventy-one million, two hundred seventy-three thousand, one hundred forty-seven".