79387050240 has 720 divisors, whose sum is σ = 299804174208. Its totient is φ = 20101644288.

The previous prime is 79387050229. The next prime is 79387050251. The reversal of 79387050240 is 4205078397.

79387050240 is a `hidden beast` number, since 7 + 9 + 38 + 70 + 502 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (79387050229) and next prime (79387050251).

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 579467452 + ... + 579467588.

Almost surely, 2^79387050240 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 79387050240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149902087104).

79387050240 is an abundant number, since it is smaller than the sum of its proper divisors (220417123968).

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

79387050240 is an frugal number, since it uses more digits than its factorization.

79387050240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 79387050240 in words is "seventy-nine billion, three hundred eighty-seven million, fifty thousand, two hundred forty".