64424795340 has 24 divisors (see below), whose sum is σ = 180389427120. Its totient is φ = 17179945408.

The previous prime is 64424795329. The next prime is 64424795387. The reversal of 64424795340 is 4359742446.

It is a self number, because there is not a number n which added to its sum of digits gives 64424795340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536873235 + ... + 536873354.

It is an arithmetic number, because the mean of its divisors is an integer number (7516226130).

Almost surely, 2^64424795340 is an apocalyptic number.

64424795340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64424795340 is an abundant number, since it is smaller than the sum of its proper divisors (115964631780).

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

64424795340 is a wasteful number, since it uses less digits than its factorization.

64424795340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073746601 (or 1073746599 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 64424795340 in words is "sixty-four billion, four hundred twenty-four million, seven hundred ninety-five thousand, three hundred forty".