47415144478 has 32 divisors (see below), whose sum is σ = 79284764160. Its totient is φ = 21115987200.

The previous prime is 47415144473. The next prime is 47415144523. The reversal of 47415144478 is 87444151474.

It is a super-2 number, since 2×47415144478² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47415144473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230403 + ... + 1268353.

It is an arithmetic number, because the mean of its divisors is an integer number (2477648880).

Almost surely, 2^47415144478 is an apocalyptic number.

47415144478 is a deficient number, since it is larger than the sum of its proper divisors (31869619682).

47415144478 is a wasteful number, since it uses less digits than its factorization.

47415144478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39652.

The product of its digits is 2007040, while the sum is 49.

The spelling of 47415144478 in words is "forty-seven billion, four hundred fifteen million, one hundred forty-four thousand, four hundred seventy-eight".