40011450 has 48 divisors (see below), whose sum is σ = 99919200. Its totient is φ = 10595520.

The previous prime is 40011437. The next prime is 40011469. The reversal of 40011450 is 5411004.

It is a super-2 number, since 2×40011450² = 3201832262205000, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22701 + ... + 24399.

It is an arithmetic number, because the mean of its divisors is an integer number (2081650).

Almost surely, 2^40011450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40011450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49959600).

40011450 is an abundant number, since it is smaller than the sum of its proper divisors (59907750).

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

40011450 is a wasteful number, since it uses less digits than its factorization.

40011450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 40011450 is about 6325.4604575477. The cubic root of 40011450 is about 342.0278182632.

Adding to 40011450 its reverse (5411004), we get a palindrome (45422454).

The spelling of 40011450 in words is "forty million, eleven thousand, four hundred fifty".