40974257147 has 4 divisors (see below), whose sum is σ = 41012876736. Its totient is φ = 40935637560.

The previous prime is 40974257083. The next prime is 40974257171. The reversal of 40974257147 is 74175247904.

40974257147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40974257147 - 2⁶ = 40974257083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40974257095 and 40974257104.

It is not an unprimeable number, because it can be changed into a prime (40974257197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19308203 + ... + 19310324.

It is an arithmetic number, because the mean of its divisors is an integer number (10253219184).

Almost surely, 2^40974257147 is an apocalyptic number.

40974257147 is a deficient number, since it is larger than the sum of its proper divisors (38619589).

40974257147 is a wasteful number, since it uses less digits than its factorization.

40974257147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38619588.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 40974257147 in words is "forty billion, nine hundred seventy-four million, two hundred fifty-seven thousand, one hundred forty-seven".