40103340 has 48 divisors (see below), whose sum is σ = 118897632. Its totient is φ = 10064896.

The previous prime is 40103321. The next prime is 40103347. The reversal of 40103340 is 4330104.

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

It is not an unprimeable number, because it can be changed into a prime (40103347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18639 + ... + 20678.

It is an arithmetic number, because the mean of its divisors is an integer number (2477034).

Almost surely, 2^40103340 is an apocalyptic number.

It is an amenable number.

40103340 is an abundant number, since it is smaller than the sum of its proper divisors (78794292).

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

40103340 is a wasteful number, since it uses less digits than its factorization.

40103340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39346 (or 39344 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 40103340 is about 6332.7197948433. The cubic root of 40103340 is about 342.2894509296.

Adding to 40103340 its reverse (4330104), we get a palindrome (44433444).

The spelling of 40103340 in words is "forty million, one hundred three thousand, three hundred forty".