38435628438 has 32 divisors (see below), whose sum is σ = 85450957920. Its totient is φ = 12806108640.

The previous prime is 38435628437. The next prime is 38435628449. The reversal of 38435628438 is 83482653483.

38435628438 is a `hidden beast` number, since 3 + 8 + 4 + 3 + 5 + 628 + 4 + 3 + 8 = 666.

38435628438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38435628433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38293 + ... + 279888.

It is an arithmetic number, because the mean of its divisors is an integer number (2670342435).

Almost surely, 2^38435628438 is an apocalyptic number.

38435628438 is an abundant number, since it is smaller than the sum of its proper divisors (47015329482).

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

38435628438 is a wasteful number, since it uses less digits than its factorization.

38435628438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320429 (or 320423 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 54.

The spelling of 38435628438 in words is "thirty-eight billion, four hundred thirty-five million, six hundred twenty-eight thousand, four hundred thirty-eight".