355240420545 has 32 divisors (see below), whose sum is σ = 571927910400. Its totient is φ = 188281843904.

The previous prime is 355240420531. The next prime is 355240420567. The reversal of 355240420545 is 545024042553.

It is a cyclic number.

It is not a de Polignac number, because 355240420545 - 2¹¹ = 355240418497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4208566 + ... + 4292144.

It is an arithmetic number, because the mean of its divisors is an integer number (17872747200).

Almost surely, 2^355240420545 is an apocalyptic number.

It is an amenable number.

355240420545 is a deficient number, since it is larger than the sum of its proper divisors (216687489855).

355240420545 is a wasteful number, since it uses less digits than its factorization.

355240420545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85349.

The product of its (nonzero) digits is 480000, while the sum is 39.

The spelling of 355240420545 in words is "three hundred fifty-five billion, two hundred forty million, four hundred twenty thousand, five hundred forty-five".