355442546420 has 48 divisors (see below), whose sum is σ = 819013945680. Its totient is φ = 128764087296.

The previous prime is 355442546413. The next prime is 355442546429. The reversal of 355442546420 is 24645244553.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1926683236 + 353515863184 = 43894^2 + 594572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355442546429) 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, 12883265 + ... + 12910824.

It is an arithmetic number, because the mean of its divisors is an integer number (17062790535).

Almost surely, 2^355442546420 is an apocalyptic number.

It is an amenable number.

355442546420 is an abundant number, since it is smaller than the sum of its proper divisors (463571399260).

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

355442546420 is a wasteful number, since it uses less digits than its factorization.

355442546420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25794164 (or 25794162 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 44.

The spelling of 355442546420 in words is "three hundred fifty-five billion, four hundred forty-two million, five hundred forty-six thousand, four hundred twenty".