88345780440 has 64 divisors (see below), whose sum is σ = 265484498400. Its totient is φ = 23519127552.

The previous prime is 88345780433. The next prime is 88345780441. The reversal of 88345780440 is 4408754388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88345780441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549595 + ... + 691914.

Almost surely, 2^88345780440 is an apocalyptic number.

It is an amenable number.

88345780440 is an abundant number, since it is smaller than the sum of its proper divisors (177138717960).

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

88345780440 is a wasteful number, since it uses less digits than its factorization.

88345780440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242116 (or 1242112 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 51.

The spelling of 88345780440 in words is "eighty-eight billion, three hundred forty-five million, seven hundred eighty thousand, four hundred forty".