1264116367890 has 48 divisors (see below), whose sum is σ = 3293159851800. Its totient is φ = 336435411456.

The previous prime is 1264116367883. The next prime is 1264116367931. The reversal of 1264116367890 is 987636114621.

1264116367890 is a `hidden beast` number, since 1 + 26 + 411 + 63 + 67 + 8 + 90 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1107943602921 + 156172764969 = 1052589^2 + 395187^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13751575 + ... + 13843194.

Almost surely, 2^{1264116367890} is an apocalyptic number.

1264116367890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1264116367890 is an abundant number, since it is smaller than the sum of its proper divisors (2029043483910).

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

1264116367890 is a wasteful number, since it uses less digits than its factorization.

1264116367890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27595291 (or 27595288 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 1264116367890 in words is "one trillion, two hundred sixty-four billion, one hundred sixteen million, three hundred sixty-seven thousand, eight hundred ninety".