469542690 has 128 divisors (see below), whose sum is σ = 1292267520. Its totient is φ = 121258944.

The previous prime is 469542673. The next prime is 469542719. The reversal of 469542690 is 96245964.

469542690 is a `hidden beast` number, since 46 + 9 + 542 + 69 + 0 = 666.

469542690 is a nontrivial binomial coefficient, being equal to C(30645, 2).

It is a super-2 number, since 2×469542690² = 440940675464872200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2068357 + ... + 2068583.

It is an arithmetic number, because the mean of its divisors is an integer number (10095840).

Almost surely, 2^469542690 is an apocalyptic number.

469542690 is the 30644-th triangular number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469542690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646133760).

469542690 is an abundant number, since it is smaller than the sum of its proper divisors (822724830).

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

469542690 is a wasteful number, since it uses less digits than its factorization.

469542690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 469542690 is about 21668.9337531868. The cubic root of 469542690 is about 777.2457593822.

The spelling of 469542690 in words is "four hundred sixty-nine million, five hundred forty-two thousand, six hundred ninety".