1202011005440 has 160 divisors (see below), whose sum is σ = 3407302990080. Its totient is φ = 397906919424.

The previous prime is 1202011005401. The next prime is 1202011005467. The reversal of 1202011005440 is 445001102021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636812 + ... + 1676171.

It is an arithmetic number, because the mean of its divisors is an integer number (21295643688).

Almost surely, 2^{1202011005440} is an apocalyptic number.

1202011005440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202011005440 is an abundant number, since it is smaller than the sum of its proper divisors (2205291984640).

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

1202011005440 is an equidigital number, since it uses as much as digits as its factorization.

1202011005440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313042 (or 2313026 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 1202011005440 its reverse (445001102021), we get a palindrome (1647012107461).

The spelling of 1202011005440 in words is "one trillion, two hundred two billion, eleven million, five thousand, four hundred forty".