202115404030040 has 32 divisors (see below), whose sum is σ = 464435396498880. Its totient is φ = 79126030513152.

The previous prime is 202115404030037. The next prime is 202115404030073. The reversal of 202115404030040 is 40030404511202.

It is a junction number, because it is equal to n+sod(n) for n = 202115404029991 and 202115404030009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53754094937 + ... + 53754098696.

It is an arithmetic number, because the mean of its divisors is an integer number (14513606140590).

Almost surely, 2^{202115404030040} is an apocalyptic number.

202115404030040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202115404030040 is an abundant number, since it is smaller than the sum of its proper divisors (262319992468840).

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

202115404030040 is a wasteful number, since it uses less digits than its factorization.

202115404030040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107508193691 (or 107508193687 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 202115404030040 its reverse (40030404511202), we get a palindrome (242145808541242).

The spelling of 202115404030040 in words is "two hundred two trillion, one hundred fifteen billion, four hundred four million, thirty thousand, forty".