42402458 has 8 divisors (see below), whose sum is σ = 72689952. Its totient is φ = 18172476.

The previous prime is 42402457. The next prime is 42402463. The reversal of 42402458 is 85420424.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42402458.

It is not an unprimeable number, because it can be changed into a prime (42402457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514360 + ... + 1514387.

It is an arithmetic number, because the mean of its divisors is an integer number (9086244).

Almost surely, 2^42402458 is an apocalyptic number.

42402458 is a deficient number, since it is larger than the sum of its proper divisors (30287494).

42402458 is a wasteful number, since it uses less digits than its factorization.

42402458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028756.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 42402458 is about 6511.7169778792. The cubic root of 42402458 is about 348.7094184183.

The spelling of 42402458 in words is "forty-two million, four hundred two thousand, four hundred fifty-eight".