351441641744440 has 64 divisors (see below), whose sum is σ = 851575291963200. Its totient is φ = 129762281428992.

The previous prime is 351441641744429. The next prime is 351441641744521. The reversal of 351441641744440 is 44447146144153.

It is a super-2 number, since 2×351441641744440² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87623584 + ... + 91546576.

It is an arithmetic number, because the mean of its divisors is an integer number (13305863936925).

Almost surely, 2^{351441641744440} is an apocalyptic number.

It is an amenable number.

351441641744440 is an abundant number, since it is smaller than the sum of its proper divisors (500133650218760).

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

351441641744440 is a wasteful number, since it uses less digits than its factorization.

351441641744440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095296 (or 4095292 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 52.

Adding to 351441641744440 its reverse (44447146144153), we get a palindrome (395888787888593).

The spelling of 351441641744440 in words is "three hundred fifty-one trillion, four hundred forty-one billion, six hundred forty-one million, seven hundred forty-four thousand, four hundred forty".