340748511450 has 48 divisors (see below), whose sum is σ = 845168108160. Its totient is φ = 90854248320.

The previous prime is 340748511443. The next prime is 340748511457. The reversal of 340748511450 is 54115847043.

It is an interprime number because it is at equal distance from previous prime (340748511443) and next prime (340748511457).

It is a super-2 number, since 2×340748511450² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340748511457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1017462 + ... + 1310238.

It is an arithmetic number, because the mean of its divisors is an integer number (17607668920).

Almost surely, 2^340748511450 is an apocalyptic number.

340748511450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

340748511450 is an abundant number, since it is smaller than the sum of its proper divisors (504419596710).

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

340748511450 is a wasteful number, since it uses less digits than its factorization.

340748511450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300551 (or 300546 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 340748511450 in words is "three hundred forty billion, seven hundred forty-eight million, five hundred eleven thousand, four hundred fifty".