64402202244 has 48 divisors (see below), whose sum is σ = 151485687360. Its totient is φ = 21294261120.

The previous prime is 64402202237. The next prime is 64402202251. The reversal of 64402202244 is 44220220446.

It is an interprime number because it is at equal distance from previous prime (64402202237) and next prime (64402202251).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1953562 + ... + 1986254.

It is an arithmetic number, because the mean of its divisors is an integer number (3155951820).

Almost surely, 2^64402202244 is an apocalyptic number.

It is an amenable number.

64402202244 is an abundant number, since it is smaller than the sum of its proper divisors (87083485116).

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

64402202244 is a wasteful number, since it uses less digits than its factorization.

64402202244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34020 (or 34018 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The spelling of 64402202244 in words is "sixty-four billion, four hundred two million, two hundred two thousand, two hundred forty-four".