40113200 has 90 divisors (see below), whose sum is σ = 102669396. Its totient is φ = 15057920.

The previous prime is 40113197. The next prime is 40113221. The reversal of 40113200 is 231104.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 115427 + ... + 115773.

Almost surely, 2^40113200 is an apocalyptic number.

40113200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40113200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51334698).

40113200 is an abundant number, since it is smaller than the sum of its proper divisors (62556196).

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

40113200 is a wasteful number, since it uses less digits than its factorization.

40113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 40113200 is about 6333.4982434670. The cubic root of 40113200 is about 342.3175009409.

Adding to 40113200 its reverse (231104), we get a palindrome (40344304).

The spelling of 40113200 in words is "forty million, one hundred thirteen thousand, two hundred".