1202140232440 has 64 divisors (see below), whose sum is σ = 3273054091200. Its totient is φ = 387917518848.

The previous prime is 1202140232437. The next prime is 1202140232471. The reversal of 1202140232440 is 442320412021.

It is a super-2 number, since 2×1202140232440² (a number of 25 digits) contains 22 as substring.

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, 126270475 + ... + 126279994.

It is an arithmetic number, because the mean of its divisors is an integer number (51141470175).

Almost surely, 2^{1202140232440} is an apocalyptic number.

1202140232440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202140232440 is an abundant number, since it is smaller than the sum of its proper divisors (2070913858760).

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

1202140232440 is a wasteful number, since it uses less digits than its factorization.

1202140232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252550504 (or 252550500 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1202140232440 its reverse (442320412021), we get a palindrome (1644460644461).

The spelling of 1202140232440 in words is "one trillion, two hundred two billion, one hundred forty million, two hundred thirty-two thousand, four hundred forty".