40204350024240 has 160 divisors (see below), whose sum is σ = 126600246637056. Its totient is φ = 10552579430400.

The previous prime is 40204350024191. The next prime is 40204350024283. The reversal of 40204350024240 is 4242005340204.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40204350024198 and 40204350024207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6176215 + ... + 10888265.

Almost surely, 2^{40204350024240} is an apocalyptic number.

40204350024240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40204350024240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63300123318528).

40204350024240 is an abundant number, since it is smaller than the sum of its proper divisors (86395896612816).

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

40204350024240 is a wasteful number, since it uses less digits than its factorization.

40204350024240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712627 (or 4712621 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 40204350024240 its reverse (4242005340204), we get a palindrome (44446355364444).

The spelling of 40204350024240 in words is "forty trillion, two hundred four billion, three hundred fifty million, twenty-four thousand, two hundred forty".