352506540 has 24 divisors (see below), whose sum is σ = 987018480. Its totient is φ = 94001728.

The previous prime is 352506529. The next prime is 352506569. The reversal of 352506540 is 45605253.

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 = 352506498 and 352506507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2937495 + ... + 2937614.

It is an arithmetic number, because the mean of its divisors is an integer number (41125770).

Almost surely, 2^352506540 is an apocalyptic number.

352506540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352506540 is an abundant number, since it is smaller than the sum of its proper divisors (634511940).

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

352506540 is a wasteful number, since it uses less digits than its factorization.

352506540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875121 (or 5875119 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 352506540 is about 18775.1575226415. The cubic root of 352506540 is about 706.4081908418.

The spelling of 352506540 in words is "three hundred fifty-two million, five hundred six thousand, five hundred forty".