1252760452406 has 24 divisors (see below), whose sum is σ = 1996733688096. Its totient is φ = 589370981760.

The previous prime is 1252760452397. The next prime is 1252760452429. The reversal of 1252760452406 is 6042540672521.

It is a super-2 number, since 2×1252760452406² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1800260 + ... + 2397176.

It is an arithmetic number, because the mean of its divisors is an integer number (83197237004).

Almost surely, 2^{1252760452406} is an apocalyptic number.

1252760452406 is a deficient number, since it is larger than the sum of its proper divisors (743973235690).

1252760452406 is a wasteful number, since it uses less digits than its factorization.

1252760452406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600584 (or 600567 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 1252760452406 in words is "one trillion, two hundred fifty-two billion, seven hundred sixty million, four hundred fifty-two thousand, four hundred six".