378983632940 has 36 divisors (see below), whose sum is σ = 874794457488. Its totient is φ = 137812229280.

The previous prime is 378983632939. The next prime is 378983632987. The reversal of 378983632940 is 49236389873.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78299984 + ... + 78304823.

Almost surely, 2^378983632940 is an apocalyptic number.

It is an amenable number.

378983632940 is an abundant number, since it is smaller than the sum of its proper divisors (495810824548).

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

378983632940 is a wasteful number, since it uses less digits than its factorization.

378983632940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156604838 (or 156604825 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 62.

The spelling of 378983632940 in words is "three hundred seventy-eight billion, nine hundred eighty-three million, six hundred thirty-two thousand, nine hundred forty".