378813733232 has 40 divisors (see below), whose sum is σ = 800714136432. Its totient is φ = 172179532800.

The previous prime is 378813733231. The next prime is 378813733321. The reversal of 378813733232 is 232337318873.

It is a happy number.

It is a super-2 number, since 2×378813733232² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378813733231) 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, 4722968 + ... + 4802504.

Almost surely, 2^378813733232 is an apocalyptic number.

It is an amenable number.

378813733232 is an abundant number, since it is smaller than the sum of its proper divisors (421900403200).

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

378813733232 is a wasteful number, since it uses less digits than its factorization.

378813733232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106617 (or 106611 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 50.

The spelling of 378813733232 in words is "three hundred seventy-eight billion, eight hundred thirteen million, seven hundred thirty-three thousand, two hundred thirty-two".