352542540 has 96 divisors (see below), whose sum is σ = 1164570624. Its totient is φ = 77978880.

The previous prime is 352542539. The next prime is 352542601. The reversal of 352542540 is 45245253.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 352542498 and 352542507.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 519 + ... + 26558.

It is an arithmetic number, because the mean of its divisors is an integer number (12130944).

Almost surely, 2^352542540 is an apocalyptic number.

352542540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 352542540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582285312).

352542540 is an abundant number, since it is smaller than the sum of its proper divisors (812028084).

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

352542540 is a wasteful number, since it uses less digits than its factorization.

352542540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27127 (or 27125 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 352542540 is about 18776.1162118261. The cubic root of 352542540 is about 706.4322375155.

Adding to 352542540 its reverse (45245253), we get a palindrome (397787793).

The spelling of 352542540 in words is "three hundred fifty-two million, five hundred forty-two thousand, five hundred forty".