340155024420 has 48 divisors (see below), whose sum is σ = 956419188480. Its totient is φ = 90328471296.

The previous prime is 340155024403. The next prime is 340155024439. The reversal of 340155024420 is 24420551043.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11846017 + ... + 11874696.

It is an arithmetic number, because the mean of its divisors is an integer number (19925399760).

Almost surely, 2^340155024420 is an apocalyptic number.

340155024420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340155024420 is an abundant number, since it is smaller than the sum of its proper divisors (616264164060).

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

340155024420 is a wasteful number, since it uses less digits than its factorization.

340155024420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23720964 (or 23720962 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 340155024420 its reverse (24420551043), we get a palindrome (364575575463).

The spelling of 340155024420 in words is "three hundred forty billion, one hundred fifty-five million, twenty-four thousand, four hundred twenty".