1264522740480 has 108 divisors (see below), whose sum is σ = 4375117000800. Its totient is φ = 337206061056.

The previous prime is 1264522740461. The next prime is 1264522740491. The reversal of 1264522740480 is 840472254621.

1264522740480 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 522 + 7 + 40 + 4 + 80 = 666.

It is a super-2 number, since 2×1264522740480² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 54872280 + ... + 54895319.

It is an arithmetic number, because the mean of its divisors is an integer number (40510342600).

Almost surely, 2^{1264522740480} is an apocalyptic number.

1264522740480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1264522740480 is an abundant number, since it is smaller than the sum of its proper divisors (3110594260320).

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

1264522740480 is a wasteful number, since it uses less digits than its factorization.

1264522740480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109767626 (or 109767609 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

It can be divided in two parts, 1264522 and 740480, that added together give a palindrome (2005002).

The spelling of 1264522740480 in words is "one trillion, two hundred sixty-four billion, five hundred twenty-two million, seven hundred forty thousand, four hundred eighty".