352342540 has 72 divisors (see below), whose sum is σ = 820448496. Its totient is φ = 126048000.

The previous prime is 352342531. The next prime is 352342579. The reversal of 352342540 is 45243253.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 352342499 and 352342508.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2244142 + ... + 2244298.

It is an arithmetic number, because the mean of its divisors is an integer number (11395118).

Almost surely, 2^352342540 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 352342540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410224248).

352342540 is an abundant number, since it is smaller than the sum of its proper divisors (468105956).

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

352342540 is a wasteful number, since it uses less digits than its factorization.

352342540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 352342540 is about 18770.7895411994. The cubic root of 352342540 is about 706.2986241616.

Adding to 352342540 its reverse (45243253), we get a palindrome (397585793).

The spelling of 352342540 in words is "three hundred fifty-two million, three hundred forty-two thousand, five hundred forty".