75349440000 has 1400 divisors, whose sum is σ = 314375961240. Its totient is φ = 17915904000.

The previous prime is 75349439953. The next prime is 75349440031. The reversal of 75349440000 is 4494357.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 139 ways as a sum of consecutive naturals, for example, 3965759991 + ... + 3965760009.

Almost surely, 2^75349440000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75349440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157187980620).

75349440000 is an abundant number, since it is smaller than the sum of its proper divisors (239026521240).

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

75349440000 is an frugal number, since it uses more digits than its factorization.

75349440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 75349440000 in words is "seventy-five billion, three hundred forty-nine million, four hundred forty thousand".