340303320420 has 96 divisors (see below), whose sum is σ = 1136317206528. Its totient is φ = 74401717632.

The previous prime is 340303320403. The next prime is 340303320431. The reversal of 340303320420 is 24023303043.

It is a super-4 number, since 4×340303320420⁴ (a number of 47 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17604384 + ... + 17623703.

It is an arithmetic number, because the mean of its divisors is an integer number (11836637568).

Almost surely, 2^340303320420 is an apocalyptic number.

340303320420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340303320420 is an abundant number, since it is smaller than the sum of its proper divisors (796013886108).

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

340303320420 is a wasteful number, since it uses less digits than its factorization.

340303320420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35228129 (or 35228127 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 340303320420 its reverse (24023303043), we get a palindrome (364326623463).

The spelling of 340303320420 in words is "three hundred forty billion, three hundred three million, three hundred twenty thousand, four hundred twenty".