429140632 has 8 divisors (see below), whose sum is σ = 804638700. Its totient is φ = 214570312.

The previous prime is 429140623. The next prime is 429140633. The reversal of 429140632 is 236041924.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 429140594 and 429140603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429140633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26821282 + ... + 26821297.

Almost surely, 2^429140632 is an apocalyptic number.

It is an amenable number.

429140632 is a deficient number, since it is larger than the sum of its proper divisors (375498068).

429140632 is a wasteful number, since it uses less digits than its factorization.

429140632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53642585 (or 53642581 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 429140632 is about 20715.7097875019. The cubic root of 429140632 is about 754.2810763877.

The spelling of 429140632 in words is "four hundred twenty-nine million, one hundred forty thousand, six hundred thirty-two".