354443252440 has 16 divisors (see below), whose sum is σ = 797497318080. Its totient is φ = 141777300960.

The previous prime is 354443252417. The next prime is 354443252477. The reversal of 354443252440 is 44252344453.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 8861081311 = 354443252440 / (3 + 5 + 4 + 4 + 4 + 3 + 2 + 5 + 2 + 4 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 354443252393 and 354443252402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4430540616 + ... + 4430540695.

It is an arithmetic number, because the mean of its divisors is an integer number (49843582380).

Almost surely, 2^354443252440 is an apocalyptic number.

It is an amenable number.

354443252440 is an abundant number, since it is smaller than the sum of its proper divisors (443054065640).

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

354443252440 is a wasteful number, since it uses less digits than its factorization.

354443252440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8861081322 (or 8861081318 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 40.

Adding to 354443252440 its reverse (44252344453), we get a palindrome (398695596893).

The spelling of 354443252440 in words is "three hundred fifty-four billion, four hundred forty-three million, two hundred fifty-two thousand, four hundred forty".