38540430780 has 24 divisors (see below), whose sum is σ = 107913206352. Its totient is φ = 10277448192.

The previous prime is 38540430749. The next prime is 38540430809. The reversal of 38540430780 is 8703404583.

38540430780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321170197 + ... + 321170316.

It is an arithmetic number, because the mean of its divisors is an integer number (4496383598).

Almost surely, 2^38540430780 is an apocalyptic number.

38540430780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38540430780 is an abundant number, since it is smaller than the sum of its proper divisors (69372775572).

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

38540430780 is a wasteful number, since it uses less digits than its factorization.

38540430780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642340525 (or 642340523 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 38540430780 in words is "thirty-eight billion, five hundred forty million, four hundred thirty thousand, seven hundred eighty".