64341531422040 has 128 divisors (see below), whose sum is σ = 200974028713920. Its totient is φ = 16464846028800.

The previous prime is 64341531422039. The next prime is 64341531422059. The reversal of 64341531422040 is 4022413514346.

It is a self number, because there is not a number n which added to its sum of digits gives 64341531422040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106892889 + ... + 107493128.

Almost surely, 2^{64341531422040} is an apocalyptic number.

64341531422040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64341531422040 is an abundant number, since it is smaller than the sum of its proper divisors (136632497291880).

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

64341531422040 is a wasteful number, since it uses less digits than its factorization.

64341531422040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214386133 (or 214386129 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 64341531422040 its reverse (4022413514346), we get a palindrome (68363944936386).

The spelling of 64341531422040 in words is "sixty-four trillion, three hundred forty-one billion, five hundred thirty-one million, four hundred twenty-two thousand, forty".