340400423554 has 8 divisors (see below), whose sum is σ = 537474353040. Its totient is φ = 161242305876.

The previous prime is 340400423537. The next prime is 340400423563. The reversal of 340400423554 is 455324004043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×340400423554³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4478952904 + ... + 4478952979.

It is an arithmetic number, because the mean of its divisors is an integer number (67184294130).

Almost surely, 2^340400423554 is an apocalyptic number.

340400423554 is a deficient number, since it is larger than the sum of its proper divisors (197073929486).

340400423554 is a wasteful number, since it uses less digits than its factorization.

340400423554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8957905904.

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 340400423554 its reverse (455324004043), we get a palindrome (795724427597).

The spelling of 340400423554 in words is "three hundred forty billion, four hundred million, four hundred twenty-three thousand, five hundred fifty-four".