352040140530 has 48 divisors (see below), whose sum is σ = 985712396760. Its totient is φ = 86656034304.

The previous prime is 352040140457. The next prime is 352040140561. The reversal of 352040140530 is 35041040253.

352040140530 is a `hidden beast` number, since 3 + 52 + 0 + 40 + 1 + 40 + 530 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 299621580129 + 52418560401 = 547377^2 + 228951^2 .

It is a junction number, because it is equal to n+sod(n) for n = 352040140494 and 352040140503.

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, 150443335 + ... + 150445674.

Almost surely, 2^352040140530 is an apocalyptic number.

352040140530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

352040140530 is an abundant number, since it is smaller than the sum of its proper divisors (633672256230).

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

352040140530 is a wasteful number, since it uses less digits than its factorization.

352040140530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300889035 (or 300889032 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 352040140530 its reverse (35041040253), we get a palindrome (387081180783).

The spelling of 352040140530 in words is "three hundred fifty-two billion, forty million, one hundred forty thousand, five hundred thirty".