1335001423440 has 80 divisors (see below), whose sum is σ = 4148623310400. Its totient is φ = 355129936896.

The previous prime is 1335001423397. The next prime is 1335001423451. The reversal of 1335001423440 is 443241005331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1335001423398 and 1335001423407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6701970 + ... + 6898289.

It is an arithmetic number, because the mean of its divisors is an integer number (51857791380).

Almost surely, 2^{1335001423440} is an apocalyptic number.

1335001423440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1335001423440 is an abundant number, since it is smaller than the sum of its proper divisors (2813621886960).

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

1335001423440 is a wasteful number, since it uses less digits than its factorization.

1335001423440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13600684 (or 13600678 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1335001423440 its reverse (443241005331), we get a palindrome (1778242428771).

The spelling of 1335001423440 in words is "one trillion, three hundred thirty-five billion, one million, four hundred twenty-three thousand, four hundred forty".