380142678786 has 64 divisors (see below), whose sum is σ = 849727307520. Its totient is φ = 112570295040.

The previous prime is 380142678779. The next prime is 380142678787. The reversal of 380142678786 is 687876241083.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (380142678787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433296 + ... + 973668.

It is an arithmetic number, because the mean of its divisors is an integer number (13276989180).

Almost surely, 2^380142678786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380142678786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424863653760).

380142678786 is an abundant number, since it is smaller than the sum of its proper divisors (469584628734).

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

380142678786 is a wasteful number, since it uses less digits than its factorization.

380142678786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540731.

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 380142678786 in words is "three hundred eighty billion, one hundred forty-two million, six hundred seventy-eight thousand, seven hundred eighty-six".