64270058490 has 48 divisors (see below), whose sum is σ = 182293259616. Its totient is φ = 15580620000.

The previous prime is 64270058473. The next prime is 64270058519. The reversal of 64270058490 is 9485007246.

It is a happy number.

64270058490 is a `hidden beast` number, since 6 + 42 + 70 + 0 + 58 + 490 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32458636 + ... + 32460615.

It is an arithmetic number, because the mean of its divisors is an integer number (3797776242).

Almost surely, 2^64270058490 is an apocalyptic number.

64270058490 is an abundant number, since it is smaller than the sum of its proper divisors (118023201126).

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

64270058490 is a wasteful number, since it uses less digits than its factorization.

64270058490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64919275 (or 64919272 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 64270058490 in words is "sixty-four billion, two hundred seventy million, fifty-eight thousand, four hundred ninety".