2354214544240 has 80 divisors (see below), whose sum is σ = 5927522176800. Its totient is φ = 864392242176.

The previous prime is 2354214544223. The next prime is 2354214544247. The reversal of 2354214544240 is 424454124532.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2354214544240² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2354214544193 and 2354214544202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2354214544247) 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, 6136935 + ... + 6509254.

It is an arithmetic number, because the mean of its divisors is an integer number (74094027210).

Almost surely, 2^{2354214544240} is an apocalyptic number.

2354214544240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2354214544240 is an abundant number, since it is smaller than the sum of its proper divisors (3573307632560).

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

2354214544240 is a wasteful number, since it uses less digits than its factorization.

2354214544240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12646394 (or 12646388 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 2354214544240 its reverse (424454124532), we get a palindrome (2778668668772).

The spelling of 2354214544240 in words is "two trillion, three hundred fifty-four billion, two hundred fourteen million, five hundred forty-four thousand, two hundred forty".