38490101646 has 16 divisors (see below), whose sum is σ = 77064715008. Its totient is φ = 12815948600.

The previous prime is 38490101641. The next prime is 38490101677. The reversal of 38490101646 is 64610109483.

38490101646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38490101598 and 38490101607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38490101641) 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, 3515400 + ... + 3526331.

It is an arithmetic number, because the mean of its divisors is an integer number (4816544688).

Almost surely, 2^38490101646 is an apocalyptic number.

38490101646 is an abundant number, since it is smaller than the sum of its proper divisors (38574613362).

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

38490101646 is a wasteful number, since it uses less digits than its factorization.

38490101646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042647.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 38490101646 in words is "thirty-eight billion, four hundred ninety million, one hundred one thousand, six hundred forty-six".