40424423012240 has 40 divisors (see below), whose sum is σ = 94175133864000. Its totient is φ = 16137364841856.

The previous prime is 40424423012231. The next prime is 40424423012251. The reversal of 40424423012240 is 4221032442404.

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

It is a junction number, because it is equal to n+sod(n) for n = 40424423012197 and 40424423012206.

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, 506278004 + ... + 506357843.

It is an arithmetic number, because the mean of its divisors is an integer number (2354378346600).

Almost surely, 2^{40424423012240} is an apocalyptic number.

40424423012240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40424423012240 is an abundant number, since it is smaller than the sum of its proper divisors (53750710851760).

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

40424423012240 is a wasteful number, since it uses less digits than its factorization.

40424423012240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012636359 (or 1012636353 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 40424423012240 its reverse (4221032442404), we get a palindrome (44645455454644).

The spelling of 40424423012240 in words is "forty trillion, four hundred twenty-four billion, four hundred twenty-three million, twelve thousand, two hundred forty".