88365157440 has 336 divisors, whose sum is σ = 343545566400. Its totient is φ = 19134517248.

The previous prime is 88365157411. The next prime is 88365157471. The reversal of 88365157440 is 4475156388.

It is a tau number, because it is divible by the number of its divisors (336).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 844326 + ... + 943194.

Almost surely, 2^88365157440 is an apocalyptic number.

88365157440 is a gapful number since it is divisible by the number (80) 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 88365157440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171772783200).

88365157440 is an abundant number, since it is smaller than the sum of its proper divisors (255180408960).

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

88365157440 is a wasteful number, since it uses less digits than its factorization.

88365157440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98922 (or 98905 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 88365157440 in words is "eighty-eight billion, three hundred sixty-five million, one hundred fifty-seven thousand, four hundred forty".