1351045266240 has 112 divisors (see below), whose sum is σ = 4353592341312. Its totient is φ = 354901426176.

The previous prime is 1351045266239. The next prime is 1351045266323. The reversal of 1351045266240 is 426625401531.

It is a super-2 number, since 2×1351045266240² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10438209 + ... + 10566848.

Almost surely, 2^{1351045266240} is an apocalyptic number.

1351045266240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1351045266240 is an abundant number, since it is smaller than the sum of its proper divisors (3002547075072).

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

1351045266240 is a wasteful number, since it uses less digits than its factorization.

1351045266240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21005144 (or 21005134 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 1351045266240 in words is "one trillion, three hundred fifty-one billion, forty-five million, two hundred sixty-six thousand, two hundred forty".