1245842640750 has 32 divisors (see below), whose sum is σ = 3109623233184. Its totient is φ = 332224704000.

The previous prime is 1245842640733. The next prime is 1245842640781. The reversal of 1245842640750 is 570462485421.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1245842640750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830561011 + ... + 830562510.

It is an arithmetic number, because the mean of its divisors is an integer number (97175726037).

Almost surely, 2^{1245842640750} is an apocalyptic number.

1245842640750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1245842640750 is an abundant number, since it is smaller than the sum of its proper divisors (1863780592434).

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

1245842640750 is a wasteful number, since it uses less digits than its factorization.

1245842640750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661123541 (or 1661123531 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 1245842640750 in words is "one trillion, two hundred forty-five billion, eight hundred forty-two million, six hundred forty thousand, seven hundred fifty".