469181940 has 48 divisors (see below), whose sum is σ = 1322103552. Its totient is φ = 124315776.

The previous prime is 469181939. The next prime is 469181957. The reversal of 469181940 is 49181964.

It is a junction number, because it is equal to n+sod(n) for n = 469181892 and 469181901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15484 + ... + 34323.

It is an arithmetic number, because the mean of its divisors is an integer number (27543824).

Almost surely, 2^469181940 is an apocalyptic number.

It is an amenable number.

469181940 is an abundant number, since it is smaller than the sum of its proper divisors (852921612).

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

469181940 is a wasteful number, since it uses less digits than its factorization.

469181940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49976 (or 49974 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 469181940 is about 21660.6080247070. The cubic root of 469181940 is about 777.0466555502.

The spelling of 469181940 in words is "four hundred sixty-nine million, one hundred eighty-one thousand, nine hundred forty".