42403629 has 8 divisors (see below), whose sum is σ = 58362112. Its totient is φ = 27357120.

The previous prime is 42403607. The next prime is 42403637. The reversal of 42403629 is 92630424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42403629 - 2²⁰ = 41355053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42403596 and 42403605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42403639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227884 + ... + 228069.

It is an arithmetic number, because the mean of its divisors is an integer number (7295264).

Almost surely, 2^42403629 is an apocalyptic number.

It is an amenable number.

42403629 is a deficient number, since it is larger than the sum of its proper divisors (15958483).

42403629 is a wasteful number, since it uses less digits than its factorization.

42403629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455987.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 42403629 is about 6511.8068920999. The cubic root of 42403629 is about 348.7126284128.

The spelling of 42403629 in words is "forty-two million, four hundred three thousand, six hundred twenty-nine".