101253210040 has 64 divisors (see below), whose sum is σ = 239435481600. Its totient is φ = 38461602432.

The previous prime is 101253210007. The next prime is 101253210053. The reversal of 101253210040 is 40012352101.

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, 268012 + ... + 523771.

It is an arithmetic number, because the mean of its divisors is an integer number (3741179400).

Almost surely, 2^101253210040 is an apocalyptic number.

101253210040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101253210040 is an abundant number, since it is smaller than the sum of its proper divisors (138182271560).

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

101253210040 is a wasteful number, since it uses less digits than its factorization.

101253210040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791956 (or 791952 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 101253210040 its reverse (40012352101), we get a palindrome (141265562141).

The spelling of 101253210040 in words is "one hundred one billion, two hundred fifty-three million, two hundred ten thousand, forty".