40118624 has 96 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 15155712.

The previous prime is 40118591. The next prime is 40118641. The reversal of 40118624 is 42681104.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 40118593 and 40118602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66677 + ... + 67275.

It is an arithmetic number, because the mean of its divisors is an integer number (1058400).

Almost surely, 2^40118624 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 40118624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50803200).

40118624 is an abundant number, since it is smaller than the sum of its proper divisors (61487776).

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

40118624 is a wasteful number, since it uses less digits than its factorization.

40118624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 40118624 is about 6333.9264283697. The cubic root of 40118624 is about 342.3329293323.

Adding to 40118624 its reverse (42681104), we get a palindrome (82799728).

The spelling of 40118624 in words is "forty million, one hundred eighteen thousand, six hundred twenty-four".