352671440 has 60 divisors (see below), whose sum is σ = 901304292. Its totient is φ = 128240640.

The previous prime is 352671421. The next prime is 352671461. The reversal of 352671440 is 44176253.

It can be written as a sum of positive squares in 2 ways, for example, as 227768464 + 124902976 = 15092^2 + 11176^2 .

It is a junction number, because it is equal to n+sod(n) for n = 352671397 and 352671406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8537 + ... + 27896.

Almost surely, 2^352671440 is an apocalyptic number.

It is an amenable number.

352671440 is an abundant number, since it is smaller than the sum of its proper divisors (548632852).

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

352671440 is a wasteful number, since it uses less digits than its factorization.

352671440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36468 (or 36451 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 352671440 is about 18779.5484503755. The cubic root of 352671440 is about 706.5183245446.

The spelling of 352671440 in words is "three hundred fifty-two million, six hundred seventy-one thousand, four hundred forty".