4945381992000 has 224 divisors, whose sum is σ = 18144057834240. Its totient is φ = 1318768473600.

The previous prime is 4945381991989. The next prime is 4945381992077. The reversal of 4945381992000 is 2991835494.

4945381992000 is a `hidden beast` number, since 4 + 9 + 4 + 538 + 19 + 92 + 0 + 0 + 0 = 666.

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

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, 11231644 + ... + 11663643.

Almost surely, 2^{4945381992000} is an apocalyptic number.

4945381992000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4945381992000 is an abundant number, since it is smaller than the sum of its proper divisors (13198675842240).

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

4945381992000 is a wasteful number, since it uses less digits than its factorization.

4945381992000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22895323 (or 22895297 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 4945381992000 in words is "four trillion, nine hundred forty-five billion, three hundred eighty-one million, nine hundred ninety-two thousand".