100142241040 has 40 divisors (see below), whose sum is σ = 242953789248. Its totient is φ = 38315291520.

The previous prime is 100142241019. The next prime is 100142241077. The reversal of 100142241040 is 40142241001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 100142240999 and 100142241017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27210726 + ... + 27214405.

Almost surely, 2^100142241040 is an apocalyptic number.

100142241040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100142241040 is an abundant number, since it is smaller than the sum of its proper divisors (142811548208).

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

100142241040 is a wasteful number, since it uses less digits than its factorization.

100142241040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54425167 (or 54425161 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 100142241040 its reverse (40142241001), we get a palindrome (140284482041).

The spelling of 100142241040 in words is "one hundred billion, one hundred forty-two million, two hundred forty-one thousand, forty".