40612 has 24 divisors (see below), whose sum is σ = 84672. Its totient is φ = 16800.

The previous prime is 40609. The next prime is 40627. The reversal of 40612 is 21604.

40612 is nontrivially palindromic in base 5.

40612 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 (13).

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 40592 and 40601.

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, 537 + ... + 607.

It is an arithmetic number, because the mean of its divisors is an integer number (3528).

2⁴⁰⁶¹² is an apocalyptic number.

It is an amenable number.

40612 is an abundant number, since it is smaller than the sum of its proper divisors (44060).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42336).

40612 is a wasteful number, since it uses less digits than its factorization.

40612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40612 is about 201.5241920961. The cubic root of 40612 is about 34.3730544353.

The spelling of 40612 in words is "forty thousand, six hundred twelve".