340245442452 has 24 divisors (see below), whose sum is σ = 793987740000. Its totient is φ = 113403474976.

The previous prime is 340245442429. The next prime is 340245442483. The reversal of 340245442452 is 254244542043.

It is a super-2 number, since 2×340245442452² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340245442452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337202 + ... + 1571177.

It is an arithmetic number, because the mean of its divisors is an integer number (33082822500).

Almost surely, 2^340245442452 is an apocalyptic number.

It is an amenable number.

340245442452 is an abundant number, since it is smaller than the sum of its proper divisors (453742297548).

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

340245442452 is a wasteful number, since it uses less digits than its factorization.

340245442452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918135 (or 2918133 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 39.

Adding to 340245442452 its reverse (254244542043), we get a palindrome (594489984495).

The spelling of 340245442452 in words is "three hundred forty billion, two hundred forty-five million, four hundred forty-two thousand, four hundred fifty-two".