40012616 has 48 divisors (see below), whose sum is σ = 88208640. Its totient is φ = 16964640.

The previous prime is 40012607. The next prime is 40012633. The reversal of 40012616 is 61621004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39881 + ... + 40871.

It is an arithmetic number, because the mean of its divisors is an integer number (1837680).

Almost surely, 2^40012616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40012616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44104320).

40012616 is an abundant number, since it is smaller than the sum of its proper divisors (48196024).

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

40012616 is a wasteful number, since it uses less digits than its factorization.

40012616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 40012616 is about 6325.5526240796. The cubic root of 40012616 is about 342.0311406502.

The spelling of 40012616 in words is "forty million, twelve thousand, six hundred sixteen".