78314094240 has 48 divisors (see below), whose sum is σ = 246689398368. Its totient is φ = 20883758336.

The previous prime is 78314094223. The next prime is 78314094241. The reversal of 78314094240 is 4249041387.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×78314094240² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 78314094192 and 78314094201.

It is not an unprimeable number, because it can be changed into a prime (78314094241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81576702 + ... + 81577661.

It is an arithmetic number, because the mean of its divisors is an integer number (5139362466).

Almost surely, 2^78314094240 is an apocalyptic number.

It is an amenable number.

78314094240 is an abundant number, since it is smaller than the sum of its proper divisors (168375304128).

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

78314094240 is a wasteful number, since it uses less digits than its factorization.

78314094240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163154381 (or 163154373 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 78314094240 in words is "seventy-eight billion, three hundred fourteen million, ninety-four thousand, two hundred forty".