4061550465 has 128 divisors (see below), whose sum is σ = 8478720000. Its totient is φ = 1843902144.

The previous prime is 4061550463. The next prime is 4061550491. The reversal of 4061550465 is 5640551604.

4061550465 is a `hidden beast` number, since 4 + 0 + 61 + 550 + 46 + 5 = 666.

It is not a de Polignac number, because 4061550465 - 2¹ = 4061550463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4061550463) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11066712 + ... + 11067078.

It is an arithmetic number, because the mean of its divisors is an integer number (66240000).

Almost surely, 2^4061550465 is an apocalyptic number.

4061550465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4061550465 is an abundant number, since it is smaller than the sum of its proper divisors (4417169535).

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

4061550465 is a wasteful number, since it uses less digits than its factorization.

4061550465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 4061550465 is about 63730.2947192307. The cubic root of 4061550465 is about 1595.5017489006.

The spelling of 4061550465 in words is "four billion, sixty-one million, five hundred fifty thousand, four hundred sixty-five".