445755730737540 has 48 divisors (see below), whose sum is σ = 1248356578069440. Its totient is φ = 118845287053440.

The previous prime is 445755730737539. The next prime is 445755730737557. The reversal of 445755730737540 is 45737037557544.

It is a happy number.

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, 715555126 + ... + 716177805.

It is an arithmetic number, because the mean of its divisors is an integer number (26007428709780).

Almost surely, 2^{445755730737540} is an apocalyptic number.

It is an amenable number.

445755730737540 is an abundant number, since it is smaller than the sum of its proper divisors (802600847331900).

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

445755730737540 is a wasteful number, since it uses less digits than its factorization.

445755730737540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431738132 (or 1431738130 counting only the distinct ones).

The product of its (nonzero) digits is 864360000, while the sum is 66.

The spelling of 445755730737540 in words is "four hundred forty-five trillion, seven hundred fifty-five billion, seven hundred thirty million, seven hundred thirty-seven thousand, five hundred forty".