1369025642240 has 72 divisors (see below), whose sum is σ = 3283046702208. Its totient is φ = 546975272960.

The previous prime is 1369025642209. The next prime is 1369025642251. The reversal of 1369025642240 is 422465209631.

It is a super-2 number, since 2×1369025642240² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1369025642191 and 1369025642200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484970 + ... + 1724310.

It is an arithmetic number, because the mean of its divisors is an integer number (45597870864).

Almost surely, 2^{1369025642240} is an apocalyptic number.

1369025642240 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 1369025642240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1641523351104).

1369025642240 is an abundant number, since it is smaller than the sum of its proper divisors (1914021059968).

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

1369025642240 is an equidigital number, since it uses as much as digits as its factorization.

1369025642240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240225 (or 1240211 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 1369025642240 in words is "one trillion, three hundred sixty-nine billion, twenty-five million, six hundred forty-two thousand, two hundred forty".