40404200440 has 64 divisors (see below), whose sum is σ = 91537205760. Its totient is φ = 16050261120.

The previous prime is 40404200437. The next prime is 40404200443. The reversal of 40404200440 is 4400240404.

40404200440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40404200437) and next prime (40404200443).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40404200443) 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, 10091479 + ... + 10095481.

It is an arithmetic number, because the mean of its divisors is an integer number (1430268840).

Almost surely, 2^40404200440 is an apocalyptic number.

40404200440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40404200440 is an abundant number, since it is smaller than the sum of its proper divisors (51133005320).

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

40404200440 is a wasteful number, since it uses less digits than its factorization.

40404200440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5692 (or 5688 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40404200440 its reverse (4400240404), we get a palindrome (44804440844).

The spelling of 40404200440 in words is "forty billion, four hundred four million, two hundred thousand, four hundred forty".