42400633 has 8 divisors (see below), whose sum is σ = 46813536. Its totient is φ = 38080800.

The previous prime is 42400619. The next prime is 42400679. The reversal of 42400633 is 33600424.

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

It is a cyclic number.

It is not a de Polignac number, because 42400633 - 2⁹ = 42400121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42400613) 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, 22308 + ... + 24133.

It is an arithmetic number, because the mean of its divisors is an integer number (5851692).

Almost surely, 2^42400633 is an apocalyptic number.

It is an amenable number.

42400633 is a deficient number, since it is larger than the sum of its proper divisors (4412903).

42400633 is a wasteful number, since it uses less digits than its factorization.

42400633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46535.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 42400633 is about 6511.5768443596. The cubic root of 42400633 is about 348.7044155337.

The spelling of 42400633 in words is "forty-two million, four hundred thousand, six hundred thirty-three".