340744317508 has 48 divisors (see below), whose sum is σ = 708067180800. Its totient is φ = 140381861760.

The previous prime is 340744317503. The next prime is 340744317517. The reversal of 340744317508 is 805713447043.

It is a super-2 number, since 2×340744317508² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340744317503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730288 + ... + 1102183.

It is an arithmetic number, because the mean of its divisors is an integer number (14751399600).

Almost surely, 2^340744317508 is an apocalyptic number.

It is an amenable number.

340744317508 is an abundant number, since it is smaller than the sum of its proper divisors (367322863292).

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

340744317508 is a wasteful number, since it uses less digits than its factorization.

340744317508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832740 (or 1832738 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 340744317508 in words is "three hundred forty billion, seven hundred forty-four million, three hundred seventeen thousand, five hundred eight".