380663771040 has 144 divisors (see below), whose sum is σ = 1484588746368. Its totient is φ = 87008859648.

The previous prime is 380663771011. The next prime is 380663771041. The reversal of 380663771040 is 40177366083.

380663771040 is a `hidden beast` number, since 3 + 8 + 0 + 6 + 637 + 7 + 1 + 0 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (380663771041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18872052 + ... + 18892211.

It is an arithmetic number, because the mean of its divisors is an integer number (10309644072).

Almost surely, 2^380663771040 is an apocalyptic number.

380663771040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

380663771040 is an abundant number, since it is smaller than the sum of its proper divisors (1103924975328).

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

380663771040 is a wasteful number, since it uses less digits than its factorization.

380663771040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37764291 (or 37764280 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 380663771040 in words is "three hundred eighty billion, six hundred sixty-three million, seven hundred seventy-one thousand, forty".