47256417945 has 48 divisors (see below), whose sum is σ = 91772695872. Its totient is φ = 22292945280.

The previous prime is 47256417899. The next prime is 47256417953. The reversal of 47256417945 is 54971465274.

47256417945 is a `hidden beast` number, since 4 + 7 + 2 + 564 + 1 + 79 + 4 + 5 = 666.

It is not a de Polignac number, because 47256417945 - 2⁶ = 47256417881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47256417891 and 47256417900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1271787 + ... + 1308416.

It is an arithmetic number, because the mean of its divisors is an integer number (1911931164).

Almost surely, 2^47256417945 is an apocalyptic number.

47256417945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47256417945 is a deficient number, since it is larger than the sum of its proper divisors (44516277927).

47256417945 is a wasteful number, since it uses less digits than its factorization.

47256417945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580262 (or 2580259 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The spelling of 47256417945 in words is "forty-seven billion, two hundred fifty-six million, four hundred seventeen thousand, nine hundred forty-five".