38727421026 has 32 divisors (see below), whose sum is σ = 91375300608. Its totient is φ = 10708042320.

The previous prime is 38727420937. The next prime is 38727421027. The reversal of 38727421026 is 62012472783.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (38727421027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14870980 + ... + 14873583.

It is an arithmetic number, because the mean of its divisors is an integer number (2855478144).

Almost surely, 2^38727421026 is an apocalyptic number.

38727421026 is an abundant number, since it is smaller than the sum of its proper divisors (52647879582).

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

38727421026 is a wasteful number, since it uses less digits than its factorization.

38727421026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29744606.

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 38727421026 in words is "thirty-eight billion, seven hundred twenty-seven million, four hundred twenty-one thousand, twenty-six".