42465740 has 24 divisors (see below), whose sum is σ = 89314512. Its totient is φ = 16960320.

The previous prime is 42465719. The next prime is 42465743. The reversal of 42465740 is 4756424.

It is a junction number, because it is equal to n+sod(n) for n = 42465697 and 42465706.

It is not an unprimeable number, because it can be changed into a prime (42465743) 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, 16970 + ... + 19310.

It is an arithmetic number, because the mean of its divisors is an integer number (3721438).

Almost surely, 2^42465740 is an apocalyptic number.

It is an amenable number.

42465740 is an abundant number, since it is smaller than the sum of its proper divisors (46848772).

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

42465740 is a wasteful number, since it uses less digits than its factorization.

42465740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 42465740 is about 6516.5742533942. The cubic root of 42465740 is about 348.8828050712.

The spelling of 42465740 in words is "forty-two million, four hundred sixty-five thousand, seven hundred forty".