61095840 has 96 divisors (see below), whose sum is σ = 207277056. Its totient is φ = 15037440.

The previous prime is 61095833. The next prime is 61095847. The reversal of 61095840 is 4859016.

61095840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61095833) and next prime (61095847).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (61095847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1345 + ... + 11135.

It is an arithmetic number, because the mean of its divisors is an integer number (2159136).

Almost surely, 2^61095840 is an apocalyptic number.

61095840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61095840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103638528).

61095840 is an abundant number, since it is smaller than the sum of its proper divisors (146181216).

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

61095840 is a wasteful number, since it uses less digits than its factorization.

61095840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9822 (or 9814 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 61095840 is about 7816.3827951297. The cubic root of 61095840 is about 393.8557710304.

The spelling of 61095840 in words is "sixty-one million, ninety-five thousand, eight hundred forty".