378129910392 has 128 divisors (see below), whose sum is σ = 1138650240000. Its totient is φ = 115577020800.

The previous prime is 378129910373. The next prime is 378129910471. The reversal of 378129910392 is 293019921873.

It is a super-3 number, since 3×378129910392³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21892 + ... + 869907.

It is an arithmetic number, because the mean of its divisors is an integer number (8895705000).

Almost surely, 2^378129910392 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 378129910392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569325120000).

378129910392 is an abundant number, since it is smaller than the sum of its proper divisors (760520329608).

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

378129910392 is a wasteful number, since it uses less digits than its factorization.

378129910392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891978 (or 891968 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 378129910392 in words is "three hundred seventy-eight billion, one hundred twenty-nine million, nine hundred ten thousand, three hundred ninety-two".