469805731400 has 96 divisors (see below), whose sum is σ = 1129351545000. Its totient is φ = 181615749120.

The previous prime is 469805731391. The next prime is 469805731463. The reversal of 469805731400 is 4137508964.

It can be written as a sum of positive squares in 12 ways, for example, as 22006535716 + 447799195684 = 148346^2 + 669178^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 889556 + ... + 1315644.

Almost surely, 2^469805731400 is an apocalyptic number.

469805731400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469805731400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564675772500).

469805731400 is an abundant number, since it is smaller than the sum of its proper divisors (659545813600).

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

469805731400 is a wasteful number, since it uses less digits than its factorization.

469805731400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426291 (or 426282 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 469805731400 in words is "four hundred sixty-nine billion, eight hundred five million, seven hundred thirty-one thousand, four hundred".