1011456340 has 12 divisors (see below), whose sum is σ = 2124058356. Its totient is φ = 404582528.

The previous prime is 1011456337. The next prime is 1011456367. The reversal of 1011456340 is 436541101.

It can be written as a sum of positive squares in 2 ways, for example, as 494439696 + 517016644 = 22236^2 + 22738^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25286389 + ... + 25286428.

It is an arithmetic number, because the mean of its divisors is an integer number (177004863).

Almost surely, 2^1011456340 is an apocalyptic number.

1011456340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011456340 is an abundant number, since it is smaller than the sum of its proper divisors (1112602016).

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

1011456340 is a wasteful number, since it uses less digits than its factorization.

1011456340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50572826 (or 50572824 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1011456340 is about 31803.4013904173. The cubic root of 1011456340 is about 1003.8042890323.

Adding to 1011456340 its reverse (436541101), we get a palindrome (1447997441).

The spelling of 1011456340 in words is "one billion, eleven million, four hundred fifty-six thousand, three hundred forty".