64324192490240 has 72 divisors (see below), whose sum is σ = 154372276251648. Its totient is φ = 25680291553280.

The previous prime is 64324192490237. The next prime is 64324192490249. The reversal of 64324192490240 is 4209429142346.

It is not an unprimeable number, because it can be changed into a prime (64324192490249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47560832 + ... + 48894591.

It is an arithmetic number, because the mean of its divisors is an integer number (2144059392384).

Almost surely, 2^{64324192490240} is an apocalyptic number.

It is an amenable number.

64324192490240 is an abundant number, since it is smaller than the sum of its proper divisors (90048083761408).

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

64324192490240 is an equidigital number, since it uses as much as digits as its factorization.

64324192490240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96455965 (or 96455951 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 64324192490240 in words is "sixty-four trillion, three hundred twenty-four billion, one hundred ninety-two million, four hundred ninety thousand, two hundred forty".