41891136440 has 16 divisors (see below), whose sum is σ = 94255057080. Its totient is φ = 16756454560.

The previous prime is 41891136433. The next prime is 41891136493. The reversal of 41891136440 is 4463119814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523639166 + ... + 523639245.

Almost surely, 2^41891136440 is an apocalyptic number.

41891136440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41891136440 is an abundant number, since it is smaller than the sum of its proper divisors (52363920640).

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

41891136440 is a wasteful number, since it uses less digits than its factorization.

41891136440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047278422 (or 1047278418 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 41891136440 in words is "forty-one billion, eight hundred ninety-one million, one hundred thirty-six thousand, four hundred forty".