4155112640 has 112 divisors (see below), whose sum is σ = 11326563072. Its totient is φ = 1422253056.

The previous prime is 4155112631. The next prime is 4155112697. The reversal of 4155112640 is 462115514.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×4155112640² = 34529922102175539200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1851359 + ... + 1853601.

Almost surely, 2^4155112640 is an apocalyptic number.

4155112640 is a gapful number since it is divisible by the number (40) 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 4155112640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5663281536).

4155112640 is an abundant number, since it is smaller than the sum of its proper divisors (7171450432).

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

4155112640 is a wasteful number, since it uses less digits than its factorization.

4155112640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094 (or 3084 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 4155112640 is about 64460.1632017791. The cubic root of 4155112640 is about 1607.6602253972.

The spelling of 4155112640 in words is "four billion, one hundred fifty-five million, one hundred twelve thousand, six hundred forty".