355556012 has 48 divisors (see below), whose sum is σ = 728082432. Its totient is φ = 148774080.

The previous prime is 355556009. The next prime is 355556027. The reversal of 355556012 is 210655553.

It is a self number, because there is not a number n which added to its sum of digits gives 355556012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389837 + ... + 390747.

It is an arithmetic number, because the mean of its divisors is an integer number (15168384).

Almost surely, 2^355556012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 355556012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364041216).

355556012 is an abundant number, since it is smaller than the sum of its proper divisors (372526420).

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

355556012 is a wasteful number, since it uses less digits than its factorization.

355556012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 355556012 is about 18856.1929349485. The cubic root of 355556012 is about 708.4393492745.

The spelling of 355556012 in words is "three hundred fifty-five million, five hundred fifty-six thousand, twelve".