82944040 has 16 divisors (see below), whose sum is σ = 186624180. Its totient is φ = 33177600.

The previous prime is 82944023. The next prime is 82944041. The reversal of 82944040 is 4044928.

It can be written as a sum of positive squares in 2 ways, for example, as 74684164 + 8259876 = 8642^2 + 2874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82943993 and 82944011.

It is not an unprimeable number, because it can be changed into a prime (82944041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036761 + ... + 1036840.

Almost surely, 2^82944040 is an apocalyptic number.

It is an amenable number.

82944040 is an abundant number, since it is smaller than the sum of its proper divisors (103680140).

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

82944040 is a wasteful number, since it uses less digits than its factorization.

82944040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073612 (or 2073608 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 82944040 is about 9107.3618573108. The cubic root of 82944040 is about 436.1090123847.

Adding to 82944040 its reverse (4044928), we get a palindrome (86988968).

It can be divided in two parts, 829440 and 40, that multiplied together give a square (33177600 = 5760²).

The spelling of 82944040 in words is "eighty-two million, nine hundred forty-four thousand, forty".