41215320564 has 72 divisors (see below), whose sum is σ = 106796633664. Its totient is φ = 12360691200.

The previous prime is 41215320533. The next prime is 41215320589. The reversal of 41215320564 is 46502351214.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5472 + ... + 287159.

Almost surely, 2^41215320564 is an apocalyptic number.

41215320564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41215320564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53398316832).

41215320564 is an abundant number, since it is smaller than the sum of its proper divisors (65581313100).

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

41215320564 is a wasteful number, since it uses less digits than its factorization.

41215320564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292757 (or 292744 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 41215320564 its reverse (46502351214), we get a palindrome (87717671778).

The spelling of 41215320564 in words is "forty-one billion, two hundred fifteen million, three hundred twenty thousand, five hundred sixty-four".