1235741240864 has 24 divisors (see below), whose sum is σ = 2620009074060. Its totient is φ = 570342110976.

The previous prime is 1235741240861. The next prime is 1235741240879. The reversal of 1235741240864 is 4680421475321.

It can be written as a sum of positive squares in 2 ways, for example, as 1173885571600 + 61855669264 = 1083460^2 + 248708^2 .

It is not an unprimeable number, because it can be changed into a prime (1235741240861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1485265499 + ... + 1485266330.

Almost surely, 2^{1235741240864} is an apocalyptic number.

It is an amenable number.

1235741240864 is an abundant number, since it is smaller than the sum of its proper divisors (1384267833196).

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

1235741240864 is a wasteful number, since it uses less digits than its factorization.

1235741240864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970531852 (or 2970531844 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 1235741240864 in words is "one trillion, two hundred thirty-five billion, seven hundred forty-one million, two hundred forty thousand, eight hundred sixty-four".