429998880 has 96 divisors (see below), whose sum is σ = 1425816000. Its totient is φ = 108628992.

The previous prime is 429998879. The next prime is 429998887. The reversal of 429998880 is 88899924.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 429998880.

It is not an unprimeable number, because it can be changed into a prime (429998887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14455 + ... + 32694.

It is an arithmetic number, because the mean of its divisors is an integer number (14852250).

Almost surely, 2^429998880 is an apocalyptic number.

429998880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

429998880 is an abundant number, since it is smaller than the sum of its proper divisors (995817120).

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

429998880 is a wasteful number, since it uses less digits than its factorization.

429998880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47186 (or 47178 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 57.

The square root of 429998880 is about 20736.4143477121. The cubic root of 429998880 is about 754.7835761116.

The spelling of 429998880 in words is "four hundred twenty-nine million, nine hundred ninety-eight thousand, eight hundred eighty".