40613100 has 144 divisors (see below), whose sum is σ = 132658176. Its totient is φ = 9504000.

The previous prime is 40613099. The next prime is 40613107. The reversal of 40613100 is 131604.

It is a super-2 number, since 2×40613100² = 3298847783220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 40613100.

It is not an unprimeable number, because it can be changed into a prime (40613107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102102 + ... + 102498.

Almost surely, 2^40613100 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 40613100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66329088).

40613100 is an abundant number, since it is smaller than the sum of its proper divisors (92045076).

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

40613100 is a wasteful number, since it uses less digits than its factorization.

40613100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 40613100 is about 6372.8408108158. The cubic root of 40613100 is about 343.7336477070.

Adding to 40613100 its reverse (131604), we get a palindrome (40744704).

The spelling of 40613100 in words is "forty million, six hundred thirteen thousand, one hundred".