1354420340040 has 128 divisors (see below), whose sum is σ = 4173071011200. Its totient is φ = 351463188480.

The previous prime is 1354420340029. The next prime is 1354420340057. The reversal of 1354420340040 is 400430244531.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1560039 + ... + 2267721.

It is an arithmetic number, because the mean of its divisors is an integer number (32602117275).

Almost surely, 2^{1354420340040} is an apocalyptic number.

1354420340040 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 1354420340040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2086535505600).

1354420340040 is an abundant number, since it is smaller than the sum of its proper divisors (2818650671160).

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

1354420340040 is a wasteful number, since it uses less digits than its factorization.

1354420340040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708127 (or 708123 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 1354420340040 its reverse (400430244531), we get a palindrome (1754850584571).

The spelling of 1354420340040 in words is "one trillion, three hundred fifty-four billion, four hundred twenty million, three hundred forty thousand, forty".