1340211450 has 24 divisors (see below), whose sum is σ = 3323724768. Its totient is φ = 357389680.

The previous prime is 1340211421. The next prime is 1340211463. The reversal of 1340211450 is 541120431.

It is a super-2 number, since 2×1340211450² = 3592333461422205000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4467222 + ... + 4467521.

It is an arithmetic number, because the mean of its divisors is an integer number (138488532).

Almost surely, 2^1340211450 is an apocalyptic number.

1340211450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340211450 is an abundant number, since it is smaller than the sum of its proper divisors (1983513318).

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

1340211450 is a wasteful number, since it uses less digits than its factorization.

1340211450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8934758 (or 8934753 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1340211450 is about 36608.8985084228. The cubic root of 1340211450 is about 1102.5317579717.

Adding to 1340211450 its reverse (541120431), we get a palindrome (1881331881).

The spelling of 1340211450 in words is "one billion, three hundred forty million, two hundred eleven thousand, four hundred fifty".