42399462 has 64 divisors (see below), whose sum is σ = 105076224. Its totient is φ = 11128320.

The previous prime is 42399457. The next prime is 42399473. The reversal of 42399462 is 26499324.

It is a self number, because there is not a number n which added to its sum of digits gives 42399462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30012 + ... + 31392.

It is an arithmetic number, because the mean of its divisors is an integer number (1641816).

Almost surely, 2^42399462 is an apocalyptic number.

42399462 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42399462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52538112).

42399462 is an abundant number, since it is smaller than the sum of its proper divisors (62676762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42399462 is a wasteful number, since it uses less digits than its factorization.

42399462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453.

The product of its digits is 93312, while the sum is 39.

The square root of 42399462 is about 6511.4869269622. The cubic root of 42399462 is about 348.7012053880.

The spelling of 42399462 in words is "forty-two million, three hundred ninety-nine thousand, four hundred sixty-two".