469912540 has 96 divisors (see below), whose sum is σ = 1063802880. Its totient is φ = 173961216.

The previous prime is 469912529. The next prime is 469912559. The reversal of 469912540 is 45219964.

It is a junction number, because it is equal to n+sod(n) for n = 469912493 and 469912502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2434684 + ... + 2434876.

It is an arithmetic number, because the mean of its divisors is an integer number (11081280).

Almost surely, 2^469912540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469912540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531901440).

469912540 is an abundant number, since it is smaller than the sum of its proper divisors (593890340).

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

469912540 is a wasteful number, since it uses less digits than its factorization.

469912540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 469912540 is about 21677.4661803450. The cubic root of 469912540 is about 777.4497798092.

The spelling of 469912540 in words is "four hundred sixty-nine million, nine hundred twelve thousand, five hundred forty".