38387774004240 has 160 divisors (see below), whose sum is σ = 124289871903360. Its totient is φ = 9791256195072.

The previous prime is 38387774004199. The next prime is 38387774004241. The reversal of 38387774004240 is 4240047778383.

It is not an unprimeable number, because it can be changed into a prime (38387774004241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36111229 + ... + 37159068.

It is an arithmetic number, because the mean of its divisors is an integer number (776811699396).

Almost surely, 2^{38387774004240} is an apocalyptic number.

38387774004240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38387774004240 is an abundant number, since it is smaller than the sum of its proper divisors (85902097899120).

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

38387774004240 is a wasteful number, since it uses less digits than its factorization.

38387774004240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73270409 (or 73270403 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 57.

The spelling of 38387774004240 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred seventy-four million, four thousand, two hundred forty".