444507132011720 has 32 divisors (see below), whose sum is σ = 1000472329526400. Its totient is φ = 177743958138048.

The previous prime is 444507132011689. The next prime is 444507132011753. The reversal of 444507132011720 is 27110231705444.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1840336064 + ... + 1840577583.

It is an arithmetic number, because the mean of its divisors is an integer number (31264760297700).

Almost surely, 2^{444507132011720} is an apocalyptic number.

444507132011720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444507132011720 is an abundant number, since it is smaller than the sum of its proper divisors (555965197514680).

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

444507132011720 is a wasteful number, since it uses less digits than its factorization.

444507132011720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680916677 (or 3680916673 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 444507132011720 in words is "four hundred forty-four trillion, five hundred seven billion, one hundred thirty-two million, eleven thousand, seven hundred twenty".