83154443340 has 48 divisors (see below), whose sum is σ = 242955595008. Its totient is φ = 21210408384.

The previous prime is 83154443327. The next prime is 83154443347. The reversal of 83154443340 is 4334445138.

It is a super-2 number, since 2×83154443340² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83154443347) 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, 30127042 + ... + 30129801.

It is an arithmetic number, because the mean of its divisors is an integer number (5061574896).

Almost surely, 2^83154443340 is an apocalyptic number.

It is an amenable number.

83154443340 is an abundant number, since it is smaller than the sum of its proper divisors (159801151668).

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

83154443340 is a wasteful number, since it uses less digits than its factorization.

83154443340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60256878 (or 60256876 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 83154443340 its reverse (4334445138), we get a palindrome (87488888478).

The spelling of 83154443340 in words is "eighty-three billion, one hundred fifty-four million, four hundred forty-three thousand, three hundred forty".