469346640 has 160 divisors (see below), whose sum is σ = 1669774080. Its totient is φ = 106831872.

The previous prime is 469346629. The next prime is 469346651. The reversal of 469346640 is 46643964.

It is an interprime number because it is at equal distance from previous prime (469346629) and next prime (469346651).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 469346592 and 469346601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565746 + ... + 566574.

It is an arithmetic number, because the mean of its divisors is an integer number (10436088).

Almost surely, 2^469346640 is an apocalyptic number.

469346640 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 469346640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834887040).

469346640 is an abundant number, since it is smaller than the sum of its proper divisors (1200427440).

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

469346640 is a wasteful number, since it uses less digits than its factorization.

469346640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The square root of 469346640 is about 21664.4095234557. The cubic root of 469346640 is about 777.1375688335.

The spelling of 469346640 in words is "four hundred sixty-nine million, three hundred forty-six thousand, six hundred forty".