340123551240020 has 12 divisors (see below), whose sum is σ = 714259457604084. Its totient is φ = 136049420496000.

The previous prime is 340123551240019. The next prime is 340123551240029. The reversal of 340123551240020 is 20042155321043.

It can be written as a sum of positive squares in 2 ways, for example, as 121454814587716 + 218668736652304 = 11020654^2 + 14787452^2 .

It is a super-5 number, since 5×340123551240020⁵ (a number of 74 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340123551240029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8503088780981 + ... + 8503088781020.

It is an arithmetic number, because the mean of its divisors is an integer number (59521621467007).

Almost surely, 2^{340123551240020} is an apocalyptic number.

It is an amenable number.

340123551240020 is an abundant number, since it is smaller than the sum of its proper divisors (374135906364064).

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

340123551240020 is a wasteful number, since it uses less digits than its factorization.

340123551240020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17006177562010 (or 17006177562008 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 340123551240020 in words is "three hundred forty trillion, one hundred twenty-three billion, five hundred fifty-one million, two hundred forty thousand, twenty".