340744381879 has 8 divisors (see below), whose sum is σ = 371737667088. Its totient is φ = 309753850560.

The previous prime is 340744381877. The next prime is 340744381931. The reversal of 340744381879 is 978183447043.

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

It is not a de Polignac number, because 340744381879 - 2¹ = 340744381877 is a prime.

It is a super-2 number, since 2×340744381879² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340744381877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425382 + ... + 928675.

It is an arithmetic number, because the mean of its divisors is an integer number (46467208386).

Almost surely, 2^340744381879 is an apocalyptic number.

340744381879 is a deficient number, since it is larger than the sum of its proper divisors (30993285209).

340744381879 is a wasteful number, since it uses less digits than its factorization.

340744381879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376945.

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 340744381879 in words is "three hundred forty billion, seven hundred forty-four million, three hundred eighty-one thousand, eight hundred seventy-nine".