449955351870 has 64 divisors (see below), whose sum is σ = 1114893158400. Its totient is φ = 116100316800.

The previous prime is 449955351869. The next prime is 449955351899. The reversal of 449955351870 is 78153559944.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6988525 + ... + 7052615.

It is an arithmetic number, because the mean of its divisors is an integer number (17420205600).

Almost surely, 2^449955351870 is an apocalyptic number.

449955351870 is an abundant number, since it is smaller than the sum of its proper divisors (664937806530).

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

449955351870 is a wasteful number, since it uses less digits than its factorization.

449955351870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71681.

The product of its (nonzero) digits is 27216000, while the sum is 60.

The spelling of 449955351870 in words is "four hundred forty-nine billion, nine hundred fifty-five million, three hundred fifty-one thousand, eight hundred seventy".