42900429 has 24 divisors (see below), whose sum is σ = 67717216. Its totient is φ = 23997600.

The previous prime is 42900413. The next prime is 42900433. The reversal of 42900429 is 92400924.

It is not a de Polignac number, because 42900429 - 2⁴ = 42900413 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42900396 and 42900405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42900409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174 + ... + 9264.

Almost surely, 2^42900429 is an apocalyptic number.

It is an amenable number.

42900429 is a deficient number, since it is larger than the sum of its proper divisors (24816787).

42900429 is a wasteful number, since it uses less digits than its factorization.

42900429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129 (or 9118 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 42900429 is about 6549.8419064890. The cubic root of 42900429 is about 350.0691808827.

It can be divided in two parts, 42900 and 429, that multiplied together give a square (18404100 = 4290²).

The spelling of 42900429 in words is "forty-two million, nine hundred thousand, four hundred twenty-nine".