1340155410 has 32 divisors (see below), whose sum is σ = 3508771392. Its totient is φ = 324886080.

The previous prime is 1340155393. The next prime is 1340155417. The reversal of 1340155410 is 145510431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1340155417) 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, 2030209 + ... + 2030868.

It is an arithmetic number, because the mean of its divisors is an integer number (109649106).

Almost surely, 2^1340155410 is an apocalyptic number.

1340155410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340155410 is an abundant number, since it is smaller than the sum of its proper divisors (2168615982).

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

1340155410 is a wasteful number, since it uses less digits than its factorization.

1340155410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061098.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1340155410 is about 36608.1331127388. The cubic root of 1340155410 is about 1102.5163905606.

Adding to 1340155410 its reverse (145510431), we get a palindrome (1485665841).

The spelling of 1340155410 in words is "one billion, three hundred forty million, one hundred fifty-five thousand, four hundred ten".