38750647642 has 16 divisors (see below), whose sum is σ = 67555609920. Its totient is φ = 16325938368.

The previous prime is 38750647619. The next prime is 38750647643. The reversal of 38750647642 is 24674605783.

It is a super-2 number, since 2×38750647642² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38750647642.

It is not an unprimeable number, because it can be changed into a prime (38750647643) 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, 23455983 + ... + 23457634.

It is an arithmetic number, because the mean of its divisors is an integer number (4222225620).

Almost surely, 2^38750647642 is an apocalyptic number.

38750647642 is a deficient number, since it is larger than the sum of its proper divisors (28804962278).

38750647642 is a wasteful number, since it uses less digits than its factorization.

38750647642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46913685.

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 38750647642 in words is "thirty-eight billion, seven hundred fifty million, six hundred forty-seven thousand, six hundred forty-two".