1353242420440 has 32 divisors (see below), whose sum is σ = 3223901062080. Its totient is φ = 509455969792.

The previous prime is 1353242420399. The next prime is 1353242420443. The reversal of 1353242420440 is 440242423531.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 1353242420396 and 1353242420405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353242420443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995030512 + ... + 995031871.

It is an arithmetic number, because the mean of its divisors is an integer number (100746908190).

Almost surely, 2^{1353242420440} is an apocalyptic number.

1353242420440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1353242420440 is an abundant number, since it is smaller than the sum of its proper divisors (1870658641640).

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

1353242420440 is a wasteful number, since it uses less digits than its factorization.

1353242420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990062411 (or 1990062407 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 1353242420440 its reverse (440242423531), we get a palindrome (1793484843971).

The spelling of 1353242420440 in words is "one trillion, three hundred fifty-three billion, two hundred forty-two million, four hundred twenty thousand, four hundred forty".