351023040 has 84 divisors (see below), whose sum is σ = 1207382904. Its totient is φ = 93605376.

The previous prime is 351023027. The next prime is 351023041. The reversal of 351023040 is 40320153.

It is a super-2 number, since 2×351023040² = 246434349221683200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351023041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58062 + ... + 63821.

It is an arithmetic number, because the mean of its divisors is an integer number (14373606).

Almost surely, 2^351023040 is an apocalyptic number.

351023040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

351023040 is an abundant number, since it is smaller than the sum of its proper divisors (856359864).

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

351023040 is a wasteful number, since it uses less digits than its factorization.

351023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121906 (or 121893 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 351023040 is about 18735.6088772156. The cubic root of 351023040 is about 705.4158403806.

Adding to 351023040 its reverse (40320153), we get a palindrome (391343193).

The spelling of 351023040 in words is "three hundred fifty-one million, twenty-three thousand, forty".