334361640 has 32 divisors (see below), whose sum is σ = 1003085280. Its totient is φ = 89163072.

The previous prime is 334361617. The next prime is 334361647. The reversal of 334361640 is 46163433.

It is a super-2 number, since 2×334361640² = 223595412606979200, which contains 22 as substring.

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 = 334361598 and 334361607.

It is not an unprimeable number, because it can be changed into a prime (334361647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393054 + ... + 1393293.

It is an arithmetic number, because the mean of its divisors is an integer number (31346415).

Almost surely, 2^334361640 is an apocalyptic number.

334361640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

334361640 is an abundant number, since it is smaller than the sum of its proper divisors (668723640).

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

334361640 is a wasteful number, since it uses less digits than its factorization.

334361640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786361 (or 2786357 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 334361640 is about 18285.5582359413. The cubic root of 334361640 is about 694.0735304551.

The spelling of 334361640 in words is "three hundred thirty-four million, three hundred sixty-one thousand, six hundred forty".