354545213245520 has 80 divisors (see below), whose sum is σ = 899273287736640. Its totient is φ = 128922994252800.

The previous prime is 354545213245519. The next prime is 354545213245547. The reversal of 354545213245520 is 25542312545453.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×354545213245520² (a number of 30 digits) contains 22 as substring.

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, 41055476 + ... + 48935084.

It is an arithmetic number, because the mean of its divisors is an integer number (11240916096708).

Almost surely, 2^{354545213245520} is an apocalyptic number.

It is an amenable number.

354545213245520 is an abundant number, since it is smaller than the sum of its proper divisors (544728074491120).

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

354545213245520 is a wasteful number, since it uses less digits than its factorization.

354545213245520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7930764 (or 7930758 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 50.

The spelling of 354545213245520 in words is "three hundred fifty-four trillion, five hundred forty-five billion, two hundred thirteen million, two hundred forty-five thousand, five hundred twenty".