446387860990 has 32 divisors (see below), whose sum is σ = 850806724320. Its totient is φ = 168043213824.

The previous prime is 446387860957. The next prime is 446387860999. The reversal of 446387860990 is 99068783644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446387860999) 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, 3916549 + ... + 4028911.

It is an arithmetic number, because the mean of its divisors is an integer number (26587710135).

Almost surely, 2^446387860990 is an apocalyptic number.

446387860990 is a deficient number, since it is larger than the sum of its proper divisors (404418863330).

446387860990 is a wasteful number, since it uses less digits than its factorization.

446387860990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135756.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 446387860990 in words is "four hundred forty-six billion, three hundred eighty-seven million, eight hundred sixty thousand, nine hundred ninety".