1264674520000 has 140 divisors (see below), whose sum is σ = 3212473316976. Its totient is φ = 493530880000.

The previous prime is 1264674519971. The next prime is 1264674520009. The reversal of 1264674520000 is 254764621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264674520009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1254429 + ... + 2025571.

Almost surely, 2^{1264674520000} is an apocalyptic number.

1264674520000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264674520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606236658488).

1264674520000 is an abundant number, since it is smaller than the sum of its proper divisors (1947798796976).

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

1264674520000 is an frugal number, since it uses more digits than its factorization.

1264674520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771216 (or 771191 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 1264674520000 in words is "one trillion, two hundred sixty-four billion, six hundred seventy-four million, five hundred twenty thousand".