101394572240 has 80 divisors (see below), whose sum is σ = 262630846800. Its totient is φ = 36147019776.

The previous prime is 101394572233. The next prime is 101394572263. The reversal of 101394572240 is 42275493101.

It can be written as a sum of positive squares in 8 ways, for example, as 82228624 + 101312343616 = 9068^2 + 318296^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 101394572194 and 101394572203.

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, 1650785 + ... + 1711104.

It is an arithmetic number, because the mean of its divisors is an integer number (3282885585).

Almost surely, 2^101394572240 is an apocalyptic number.

101394572240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101394572240 is an abundant number, since it is smaller than the sum of its proper divisors (161236274560).

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

101394572240 is a wasteful number, since it uses less digits than its factorization.

101394572240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361944 (or 3361938 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 101394572240 in words is "one hundred one billion, three hundred ninety-four million, five hundred seventy-two thousand, two hundred forty".