352555380 has 36 divisors (see below), whose sum is σ = 1069418532. Its totient is φ = 94014720.

The previous prime is 352555373. The next prime is 352555381. The reversal of 352555380 is 83555253.

352555380 is a `hidden beast` number, since 3 + 5 + 25 + 553 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38415204 + 314140176 = 6198^2 + 17724^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352555381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 979141 + ... + 979500.

Almost surely, 2^352555380 is an apocalyptic number.

352555380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352555380 is an abundant number, since it is smaller than the sum of its proper divisors (716863152).

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

352555380 is a wasteful number, since it uses less digits than its factorization.

352555380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958656 (or 1958651 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 352555380 is about 18776.4581324594. The cubic root of 352555380 is about 706.4408137664.

The spelling of 352555380 in words is "three hundred fifty-two million, five hundred fifty-five thousand, three hundred eighty".