42660402 has 32 divisors (see below), whose sum is σ = 88571904. Its totient is φ = 13683600.

The previous prime is 42660323. The next prime is 42660407. The reversal of 42660402 is 20406624.

It is not an unprimeable number, because it can be changed into a prime (42660407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38703 + ... + 39789.

It is an arithmetic number, because the mean of its divisors is an integer number (2767872).

Almost surely, 2^42660402 is an apocalyptic number.

42660402 is an abundant number, since it is smaller than the sum of its proper divisors (45911502).

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

42660402 is a wasteful number, since it uses less digits than its factorization.

42660402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 42660402 is about 6531.4930911699. The cubic root of 42660402 is about 349.4150828999.

The spelling of 42660402 in words is "forty-two million, six hundred sixty thousand, four hundred two".