42648402 has 16 divisors (see below), whose sum is σ = 85361760. Its totient is φ = 14205312.

The previous prime is 42648377. The next prime is 42648409. The reversal of 42648402 is 20484624.

It is a self number, because there is not a number n which added to its sum of digits gives 42648402.

It is not an unprimeable number, because it can be changed into a prime (42648409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11874 + ... + 15042.

It is an arithmetic number, because the mean of its divisors is an integer number (5335110).

Almost surely, 2^42648402 is an apocalyptic number.

42648402 is an abundant number, since it is smaller than the sum of its proper divisors (42713358).

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

42648402 is a wasteful number, since it uses less digits than its factorization.

42648402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417.

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 42648402 is about 6530.5744004643. The cubic root of 42648402 is about 349.3823173530.

It can be divided in two parts, 426 and 48402, that added together give a triangular number (48828 = T₃₁₂).

The spelling of 42648402 in words is "forty-two million, six hundred forty-eight thousand, four hundred two".