64401460455252 has 48 divisors (see below), whose sum is σ = 151446259560960. Its totient is φ = 21299597041632.

The previous prime is 64401460455239. The next prime is 64401460455259. The reversal of 64401460455252 is 25255406410446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64401460455259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28279002 + ... + 30471377.

It is an arithmetic number, because the mean of its divisors is an integer number (3155130407520).

Almost surely, 2^{64401460455252} is an apocalyptic number.

It is an amenable number.

64401460455252 is an abundant number, since it is smaller than the sum of its proper divisors (87044799105708).

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

64401460455252 is a wasteful number, since it uses less digits than its factorization.

64401460455252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58751100 (or 58751098 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 48.

Adding to 64401460455252 its reverse (25255406410446), we get a palindrome (89656866865698).

The spelling of 64401460455252 in words is "sixty-four trillion, four hundred one billion, four hundred sixty million, four hundred fifty-five thousand, two hundred fifty-two".