352705540 has 96 divisors (see below), whose sum is σ = 850953600. Its totient is φ = 121605120.

The previous prime is 352705523. The next prime is 352705567. The reversal of 352705540 is 45507253.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375952 + ... + 376888.

It is an arithmetic number, because the mean of its divisors is an integer number (8864100).

Almost surely, 2^352705540 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 352705540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425476800).

352705540 is an abundant number, since it is smaller than the sum of its proper divisors (498248060).

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

352705540 is a wasteful number, since it uses less digits than its factorization.

352705540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 352705540 is about 18780.4563309841. The cubic root of 352705540 is about 706.5410950289.

The spelling of 352705540 in words is "three hundred fifty-two million, seven hundred five thousand, five hundred forty".