2471566428 has 36 divisors (see below), whose sum is σ = 6399954288. Its totient is φ = 803760960.

The previous prime is 2471566423. The next prime is 2471566439. The reversal of 2471566428 is 8246651742.

2471566428 is a `hidden beast` number, since 2 + 47 + 1 + 566 + 42 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2471566428² = 12217281216033358368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471566421) 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, 835776 + ... + 838727.

It is an arithmetic number, because the mean of its divisors is an integer number (177776508).

Almost surely, 2^2471566428 is an apocalyptic number.

It is an amenable number.

2471566428 is an abundant number, since it is smaller than the sum of its proper divisors (3928387860).

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

2471566428 is a wasteful number, since it uses less digits than its factorization.

2471566428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674554 (or 1674549 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 2471566428 is about 49714.8511815132. The cubic root of 2471566428 is about 1352.0438046741.

The spelling of 2471566428 in words is "two billion, four hundred seventy-one million, five hundred sixty-six thousand, four hundred twenty-eight".