40504012240 has 40 divisors (see below), whose sum is σ = 97209635328. Its totient is φ = 15678971520.

The previous prime is 40504012177. The next prime is 40504012277. The reversal of 40504012240 is 4221040504.

It is a happy number.

40504012240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8163652 + ... + 8168611.

Almost surely, 2^40504012240 is an apocalyptic number.

40504012240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40504012240 is an abundant number, since it is smaller than the sum of its proper divisors (56705623088).

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

40504012240 is a wasteful number, since it uses less digits than its factorization.

40504012240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16332307 (or 16332301 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 40504012240 its reverse (4221040504), we get a palindrome (44725052744).

The spelling of 40504012240 in words is "forty billion, five hundred four million, twelve thousand, two hundred forty".