4015532491488 has 288 divisors, whose sum is σ = 13220297266176. Its totient is φ = 1132392489984.

The previous prime is 4015532491471. The next prime is 4015532491519. The reversal of 4015532491488 is 8841942355104.

4015532491488 is a `hidden beast` number, since 4 + 0 + 1 + 5 + 53 + 24 + 91 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×4015532491488² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 184551906 + ... + 184573662.

It is an arithmetic number, because the mean of its divisors is an integer number (45903809952).

Almost surely, 2^{4015532491488} is an apocalyptic number.

4015532491488 is a gapful number since it is divisible by the number (48) 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 4015532491488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6610148633088).

4015532491488 is an abundant number, since it is smaller than the sum of its proper divisors (9204764774688).

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

4015532491488 is a wasteful number, since it uses less digits than its factorization.

4015532491488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22966 (or 22955 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 4015532491488 in words is "four trillion, fifteen billion, five hundred thirty-two million, four hundred ninety-one thousand, four hundred eighty-eight".