469891943140 has 24 divisors (see below), whose sum is σ = 995505590520. Its totient is φ = 186293442048.

The previous prime is 469891943113. The next prime is 469891943159. The reversal of 469891943140 is 41349198964.

It can be written as a sum of positive squares in 4 ways, for example, as 4887967396 + 465003975744 = 69914^2 + 681912^2 .

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, 103956135 + ... + 103960654.

It is an arithmetic number, because the mean of its divisors is an integer number (41479399605).

Almost surely, 2^469891943140 is an apocalyptic number.

It is an amenable number.

469891943140 is an abundant number, since it is smaller than the sum of its proper divisors (525613647380).

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

469891943140 is a wasteful number, since it uses less digits than its factorization.

469891943140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207916911 (or 207916909 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 469891943140 in words is "four hundred sixty-nine billion, eight hundred ninety-one million, nine hundred forty-three thousand, one hundred forty".