83440237532 has 24 divisors (see below), whose sum is σ = 146685506352. Its totient is φ = 41530233600.

The previous prime is 83440237519. The next prime is 83440237537. The reversal of 83440237532 is 23573204438.

It is a self number, because there is not a number n which added to its sum of digits gives 83440237532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83440237537) 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, 2570282 + ... + 2602542.

It is an arithmetic number, because the mean of its divisors is an integer number (6111896098).

Almost surely, 2^83440237532 is an apocalyptic number.

It is an amenable number.

83440237532 is a deficient number, since it is larger than the sum of its proper divisors (63245268820).

83440237532 is a wasteful number, since it uses less digits than its factorization.

83440237532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35189 (or 35187 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 83440237532 in words is "eighty-three billion, four hundred forty million, two hundred thirty-seven thousand, five hundred thirty-two".