354128430340 has 12 divisors (see below), whose sum is σ = 743669703756. Its totient is φ = 141651372128.

The previous prime is 354128430317. The next prime is 354128430353. The reversal of 354128430340 is 43034821453.

It can be written as a sum of positive squares in 2 ways, for example, as 113477354496 + 240651075844 = 336864^2 + 490562^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 354128430340.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8853210739 + ... + 8853210778.

It is an arithmetic number, because the mean of its divisors is an integer number (61972475313).

Almost surely, 2^354128430340 is an apocalyptic number.

It is an amenable number.

354128430340 is an abundant number, since it is smaller than the sum of its proper divisors (389541273416).

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

354128430340 is a wasteful number, since it uses less digits than its factorization.

354128430340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17706421526 (or 17706421524 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 354128430340 in words is "three hundred fifty-four billion, one hundred twenty-eight million, four hundred thirty thousand, three hundred forty".