429155240 has 64 divisors (see below), whose sum is σ = 987240960. Its totient is φ = 167856640.

The previous prime is 429155231. The next prime is 429155263. The reversal of 429155240 is 42551924.

It is a junction number, because it is equal to n+sod(n) for n = 429155197 and 429155206.

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 15 ways as a sum of consecutive naturals, for example, 388529 + ... + 389631.

It is an arithmetic number, because the mean of its divisors is an integer number (15425640).

Almost surely, 2^429155240 is an apocalyptic number.

429155240 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 429155240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493620480).

429155240 is an abundant number, since it is smaller than the sum of its proper divisors (558085720).

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

429155240 is a wasteful number, since it uses less digits than its factorization.

429155240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 429155240 is about 20716.0623671585. The cubic root of 429155240 is about 754.2896348975.

The spelling of 429155240 in words is "four hundred twenty-nine million, one hundred fifty-five thousand, two hundred forty".