3455553538560 has 160 divisors (see below), whose sum is σ = 11345540481792. Its totient is φ = 896575979520.

The previous prime is 3455553538477. The next prime is 3455553538561. The reversal of 3455553538560 is 658353555543.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 3455553538560.

It is not an unprimeable number, because it can be changed into a prime (3455553538561) 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, 5796136 + ... + 6364455.

Almost surely, 2^{3455553538560} is an apocalyptic number.

3455553538560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3455553538560 is an abundant number, since it is smaller than the sum of its proper divisors (7889986943232).

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

3455553538560 is a wasteful number, since it uses less digits than its factorization.

3455553538560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12160654 (or 12160638 counting only the distinct ones).

The product of its (nonzero) digits is 81000000, while the sum is 57.

The spelling of 3455553538560 in words is "three trillion, four hundred fifty-five billion, five hundred fifty-three million, five hundred thirty-eight thousand, five hundred sixty".