1260508691946 has 64 divisors (see below), whose sum is σ = 3033315532800. Its totient is φ = 341132648256.

The previous prime is 1260508691909. The next prime is 1260508691947. The reversal of 1260508691946 is 6491968050621.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (1260508691947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4699815 + ... + 4960773.

It is an arithmetic number, because the mean of its divisors is an integer number (47395555200).

Almost surely, 2^{1260508691946} is an apocalyptic number.

1260508691946 is an abundant number, since it is smaller than the sum of its proper divisors (1772806840854).

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

1260508691946 is a wasteful number, since it uses less digits than its factorization.

1260508691946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267043.

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 1260508691946 in words is "one trillion, two hundred sixty billion, five hundred eight million, six hundred ninety-one thousand, nine hundred forty-six".