101210340240 has 80 divisors (see below), whose sum is σ = 348613401600. Its totient is φ = 26989423488.

The previous prime is 101210340221. The next prime is 101210340263. The reversal of 101210340240 is 42043012101.

101210340240 is a `hidden beast` number, since 10 + 1 + 210 + 3 + 402 + 40 = 666.

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 (18).

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, 23426160 + ... + 23430479.

It is an arithmetic number, because the mean of its divisors is an integer number (4357667520).

Almost surely, 2^101210340240 is an apocalyptic number.

101210340240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101210340240 is an abundant number, since it is smaller than the sum of its proper divisors (247403061360).

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

101210340240 is a wasteful number, since it uses less digits than its factorization.

101210340240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46856661 (or 46856649 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 101210340240 its reverse (42043012101), we get a palindrome (143253352341).

The spelling of 101210340240 in words is "one hundred one billion, two hundred ten million, three hundred forty thousand, two hundred forty".