43115102040 has 32 divisors (see below), whose sum is σ = 129345306480. Its totient is φ = 11497360512.

The previous prime is 43115102029. The next prime is 43115102057. The reversal of 43115102040 is 4020151134.

43115102040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43115102040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43115101998 and 43115102016.

It is a congruent number.

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, 179646139 + ... + 179646378.

Almost surely, 2^43115102040 is an apocalyptic number.

43115102040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43115102040 is an abundant number, since it is smaller than the sum of its proper divisors (86230204440).

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

43115102040 is a wasteful number, since it uses less digits than its factorization.

43115102040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359292531 (or 359292527 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 43115102040 its reverse (4020151134), we get a palindrome (47135253174).

The spelling of 43115102040 in words is "forty-three billion, one hundred fifteen million, one hundred two thousand, forty".