378262515930 has 128 divisors (see below), whose sum is σ = 1041519790080. Its totient is φ = 87147290880.

The previous prime is 378262515923. The next prime is 378262515989. The reversal of 378262515930 is 39515262873.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 307515 + ... + 922545.

It is an arithmetic number, because the mean of its divisors is an integer number (8136873360).

Almost surely, 2^378262515930 is an apocalyptic number.

378262515930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a pronic number, being equal to 615030×615031.

It is a practical number, because each smaller number is the sum of distinct divisors of 378262515930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520759895040).

378262515930 is an abundant number, since it is smaller than the sum of its proper divisors (663257274150).

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

378262515930 is a wasteful number, since it uses less digits than its factorization.

378262515930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615156.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 378262515930 in words is "three hundred seventy-eight billion, two hundred sixty-two million, five hundred fifteen thousand, nine hundred thirty".