2665424475 has 168 divisors, whose sum is σ = 6001356960. Its totient is φ = 1145871360.

The previous prime is 2665424459. The next prime is 2665424477. The reversal of 2665424475 is 5744245662.

2665424475 is a `hidden beast` number, since 2 + 66 + 542 + 4 + 47 + 5 = 666.

It is not a de Polignac number, because 2665424475 - 2⁴ = 2665424459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2665424475.

It is not an unprimeable number, because it can be changed into a prime (2665424477) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 2168161 + ... + 2169389.

Almost surely, 2^2665424475 is an apocalyptic number.

2665424475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2665424475 is an abundant number, since it is smaller than the sum of its proper divisors (3335932485).

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

2665424475 is a wasteful number, since it uses less digits than its factorization.

2665424475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1261 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

The square root of 2665424475 is about 51627.7490793469. The cubic root of 2665424475 is about 1386.5071933595.

The spelling of 2665424475 in words is "two billion, six hundred sixty-five million, four hundred twenty-four thousand, four hundred seventy-five".