101066539240 has 16 divisors (see below), whose sum is σ = 227399713380. Its totient is φ = 40426615680.

The previous prime is 101066539177. The next prime is 101066539247. The reversal of 101066539240 is 42935660101.

It can be written as a sum of positive squares in 2 ways, for example, as 98278488036 + 2788051204 = 313494^2 + 52802^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101066539240.

It is not an unprimeable number, because it can be changed into a prime (101066539247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263331701 + ... + 1263331780.

Almost surely, 2^101066539240 is an apocalyptic number.

101066539240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101066539240 is an abundant number, since it is smaller than the sum of its proper divisors (126333174140).

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

101066539240 is a wasteful number, since it uses less digits than its factorization.

101066539240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526663492 (or 2526663488 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 101066539240 in words is "one hundred one billion, sixty-six million, five hundred thirty-nine thousand, two hundred forty".