378236136630 has 128 divisors (see below), whose sum is σ = 1005082214400. Its totient is φ = 90326230400.

The previous prime is 378236136581. The next prime is 378236136647. The reversal of 378236136630 is 36631632873.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 378236136630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30898051 + ... + 30910289.

It is an arithmetic number, because the mean of its divisors is an integer number (7852204800).

Almost surely, 2^378236136630 is an apocalyptic number.

378236136630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 378236136630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502541107200).

378236136630 is an abundant number, since it is smaller than the sum of its proper divisors (626846077770).

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

378236136630 is a wasteful number, since it uses less digits than its factorization.

378236136630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13650.

The product of its (nonzero) digits is 1959552, while the sum is 48.

The spelling of 378236136630 in words is "three hundred seventy-eight billion, two hundred thirty-six million, one hundred thirty-six thousand, six hundred thirty".