449475701940 has 60 divisors (see below), whose sum is σ = 1410021929316. Its totient is φ = 119860186752.

The previous prime is 449475701903. The next prime is 449475701953. The reversal of 449475701940 is 49107574944.

449475701940 is a `hidden beast` number, since 4 + 494 + 75 + 70 + 19 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 136240715664 + 313234986276 = 369108^2 + 559674^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 138725449 + ... + 138728688.

Almost surely, 2^449475701940 is an apocalyptic number.

It is an amenable number.

449475701940 is an abundant number, since it is smaller than the sum of its proper divisors (960546227376).

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

449475701940 is a wasteful number, since it uses less digits than its factorization.

449475701940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277454158 (or 277454147 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 449475701940 in words is "four hundred forty-nine billion, four hundred seventy-five million, seven hundred one thousand, nine hundred forty".