354445408420 has 24 divisors (see below), whose sum is σ = 744904911744. Its totient is φ = 141669676896.

The previous prime is 354445408403. The next prime is 354445408433. The reversal of 354445408420 is 24804544453.

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, 6753612 + ... + 6805891.

It is an arithmetic number, because the mean of its divisors is an integer number (31037704656).

Almost surely, 2^354445408420 is an apocalyptic number.

It is an amenable number.

354445408420 is an abundant number, since it is smaller than the sum of its proper divisors (390459503324).

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

354445408420 is a wasteful number, since it uses less digits than its factorization.

354445408420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13560819 (or 13560817 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 43.

The spelling of 354445408420 in words is "three hundred fifty-four billion, four hundred forty-five million, four hundred eight thousand, four hundred twenty".