1255264794630 has 960 divisors, whose sum is σ = 4456384542720. Its totient is φ = 250430745600.

The previous prime is 1255264794601. The next prime is 1255264794671. The reversal of 1255264794630 is 364974625521.

It is a happy number.

1255264794630 is a `hidden beast` number, since 1 + 2 + 5 + 52 + 64 + 79 + 463 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 2206088986 + ... + 2206089554.

It is an arithmetic number, because the mean of its divisors is an integer number (4642067232).

Almost surely, 2^{1255264794630} is an apocalyptic number.

1255264794630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255264794630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2228192271360).

1255264794630 is an abundant number, since it is smaller than the sum of its proper divisors (3201119748090).

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

1255264794630 is a wasteful number, since it uses less digits than its factorization.

1255264794630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 1255264794630 in words is "one trillion, two hundred fifty-five billion, two hundred sixty-four million, seven hundred ninety-four thousand, six hundred thirty".