947140434366 has 128 divisors (see below), whose sum is σ = 2363587236864. Its totient is φ = 246820608000.

The previous prime is 947140434319. The next prime is 947140434371. The reversal of 947140434366 is 663434041749.

It is a super-2 number, since 2×947140434366² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6559500 + ... + 6702336.

It is an arithmetic number, because the mean of its divisors is an integer number (18465525288).

Almost surely, 2^947140434366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947140434366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181793618432).

947140434366 is an abundant number, since it is smaller than the sum of its proper divisors (1416446802498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

947140434366 is a wasteful number, since it uses less digits than its factorization.

947140434366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143154.

The product of its (nonzero) digits is 5225472, while the sum is 51.

The spelling of 947140434366 in words is "nine hundred forty-seven billion, one hundred forty million, four hundred thirty-four thousand, three hundred sixty-six".