351740340 has 96 divisors (see below), whose sum is σ = 1250645760. Its totient is φ = 80396928.

The previous prime is 351740327. The next prime is 351740341. The reversal of 351740340 is 43047153.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351740341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42747 + ... + 50306.

It is an arithmetic number, because the mean of its divisors is an integer number (13027560).

Almost surely, 2^351740340 is an apocalyptic number.

351740340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

351740340 is an abundant number, since it is smaller than the sum of its proper divisors (898905420).

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

351740340 is a wasteful number, since it uses less digits than its factorization.

351740340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93078 (or 93070 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 351740340 is about 18754.7418004088. The cubic root of 351740340 is about 705.8960087799.

Adding to 351740340 its reverse (43047153), we get a palindrome (394787493).

The spelling of 351740340 in words is "three hundred fifty-one million, seven hundred forty thousand, three hundred forty".