40113420 has 48 divisors (see below), whose sum is σ = 112777728. Its totient is φ = 10653120.

The previous prime is 40113413. The next prime is 40113461. The reversal of 40113420 is 2431104.

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 40113420.

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, 15027 + ... + 17493.

It is an arithmetic number, because the mean of its divisors is an integer number (2349536).

Almost surely, 2^40113420 is an apocalyptic number.

It is an amenable number.

40113420 is an abundant number, since it is smaller than the sum of its proper divisors (72664308).

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

40113420 is a wasteful number, since it uses less digits than its factorization.

40113420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750 (or 2748 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40113420 is about 6333.5156114120. The cubic root of 40113420 is about 342.3181267508.

Adding to 40113420 its reverse (2431104), we get a palindrome (42544524).

The spelling of 40113420 in words is "forty million, one hundred thirteen thousand, four hundred twenty".