351602040 has 64 divisors (see below), whose sum is σ = 1063157760. Its totient is φ = 93018240.

The previous prime is 351601993. The next prime is 351602057. The reversal of 351602040 is 40206153.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 351601998 and 351602016.

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, 3705 + ... + 26775.

It is an arithmetic number, because the mean of its divisors is an integer number (16611840).

Almost surely, 2^351602040 is an apocalyptic number.

351602040 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 351602040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531578880).

351602040 is an abundant number, since it is smaller than the sum of its proper divisors (711555720).

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

351602040 is a wasteful number, since it uses less digits than its factorization.

351602040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23212 (or 23208 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 351602040 is about 18751.0543703548. The cubic root of 351602040 is about 705.8034800926.

Adding to 351602040 its reverse (40206153), we get a palindrome (391808193).

The spelling of 351602040 in words is "three hundred fifty-one million, six hundred two thousand, forty".