40044300 has 36 divisors (see below), whose sum is σ = 115862376. Its totient is φ = 10678400.

The previous prime is 40044293. The next prime is 40044307. The reversal of 40044300 is 344004.

It is an interprime number because it is at equal distance from previous prime (40044293) and next prime (40044307).

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 40044300.

It is not an unprimeable number, because it can be changed into a prime (40044307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66441 + ... + 67040.

Almost surely, 2^40044300 is an apocalyptic number.

It is an amenable number.

40044300 is an abundant number, since it is smaller than the sum of its proper divisors (75818076).

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

40044300 is a wasteful number, since it uses less digits than its factorization.

40044300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133498 (or 133491 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 40044300 is about 6328.0565737041. The cubic root of 40044300 is about 342.1213959796.

Adding to 40044300 its reverse (344004), we get a palindrome (40388304).

The spelling of 40044300 in words is "forty million, forty-four thousand, three hundred".