354520413440 has 72 divisors (see below), whose sum is σ = 867255137280. Its totient is φ = 138790946816.

The previous prime is 354520413427. The next prime is 354520413479. The reversal of 354520413440 is 44314025453.

It is a self number, because there is not a number n which added to its sum of digits gives 354520413440.

It is a congruent number.

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, 2886320 + ... + 3006639.

It is an arithmetic number, because the mean of its divisors is an integer number (12045210240).

Almost surely, 2^354520413440 is an apocalyptic number.

It is an amenable number.

354520413440 is an abundant number, since it is smaller than the sum of its proper divisors (512734723840).

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

354520413440 is an equidigital number, since it uses as much as digits as its factorization.

354520413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893027 (or 5893013 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 354520413440 its reverse (44314025453), we get a palindrome (398834438893).

The spelling of 354520413440 in words is "three hundred fifty-four billion, five hundred twenty million, four hundred thirteen thousand, four hundred forty".