352404540 has 48 divisors (see below), whose sum is σ = 1096371360. Its totient is φ = 93974400.

The previous prime is 352404529. The next prime is 352404557. The reversal of 352404540 is 45404253.

It is a super-2 number, since 2×352404540² = 248377919625223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325761 + ... + 326840.

It is an arithmetic number, because the mean of its divisors is an integer number (22841070).

Almost surely, 2^352404540 is an apocalyptic number.

352404540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352404540 is an abundant number, since it is smaller than the sum of its proper divisors (743966820).

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

352404540 is a wasteful number, since it uses less digits than its factorization.

352404540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652619 (or 652611 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 352404540 is about 18772.4409707422. The cubic root of 352404540 is about 706.3400497077.

Adding to 352404540 its reverse (45404253), we get a palindrome (397808793).

The spelling of 352404540 in words is "three hundred fifty-two million, four hundred four thousand, five hundred forty".