64002958383240 has 80 divisors (see below), whose sum is σ = 215121054576780. Its totient is φ = 17067455568000.

The previous prime is 64002958383233. The next prime is 64002958383271. The reversal of 64002958383240 is 4238385920046.

64002958383240 is a `hidden beast` number, since 6 + 4 + 0 + 0 + 29 + 583 + 8 + 32 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63937967038884 + 64991344356 = 7996122^2 + 254934^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9876996511 + ... + 9877002990.

Almost surely, 2^{64002958383240} is an apocalyptic number.

64002958383240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64002958383240 is an abundant number, since it is smaller than the sum of its proper divisors (151118096193540).

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

64002958383240 is a wasteful number, since it uses less digits than its factorization.

64002958383240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19753999524 (or 19753999511 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 54.

The spelling of 64002958383240 in words is "sixty-four trillion, two billion, nine hundred fifty-eight million, three hundred eighty-three thousand, two hundred forty".