1295862089040 has 60 divisors (see below), whose sum is σ = 4351936851444. Its totient is φ = 345563223552.

The previous prime is 1295862089033. The next prime is 1295862089047. The reversal of 1295862089040 is 409802685921.

It is a happy number.

1295862089040 is a `hidden beast` number, since 1 + 2 + 9 + 5 + 8 + 620 + 8 + 9 + 0 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1295862089033) and next prime (1295862089047).

It can be written as a sum of positive squares in 2 ways, for example, as 475156547856 + 820705541184 = 689316^2 + 905928^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×1295862089040² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1295862089047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 899903509 + ... + 899904948.

Almost surely, 2^{1295862089040} is an apocalyptic number.

1295862089040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1295862089040 is an abundant number, since it is smaller than the sum of its proper divisors (3056074762404).

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

1295862089040 is a wasteful number, since it uses less digits than its factorization.

1295862089040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799808476 (or 1799808467 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 1295862089040 in words is "one trillion, two hundred ninety-five billion, eight hundred sixty-two million, eighty-nine thousand, forty".