101042001040 has 80 divisors (see below), whose sum is σ = 259556565888. Its totient is φ = 36385445888.

The previous prime is 101042001019. The next prime is 101042001077. The reversal of 101042001040 is 40100240101.

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

It is a super-2 number, since 2×101042001040² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101042001040.

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, 1583842 + ... + 1646401.

Almost surely, 2^101042001040 is an apocalyptic number.

101042001040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101042001040 is an abundant number, since it is smaller than the sum of its proper divisors (158514564848).

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

101042001040 is a wasteful number, since it uses less digits than its factorization.

101042001040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230296 (or 3230290 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 101042001040 its reverse (40100240101), we get a palindrome (141142241141).

The spelling of 101042001040 in words is "one hundred one billion, forty-two million, one thousand, forty".