42460440 has 128 divisors (see below), whose sum is σ = 146361600. Its totient is φ = 9745920.

The previous prime is 42460433. The next prime is 42460477. The reversal of 42460440 is 4406424.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 42460440.

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, 24234 + ... + 25926.

It is an arithmetic number, because the mean of its divisors is an integer number (1143450).

Almost surely, 2^42460440 is an apocalyptic number.

42460440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42460440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73180800).

42460440 is an abundant number, since it is smaller than the sum of its proper divisors (103901160).

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

42460440 is a wasteful number, since it uses less digits than its factorization.

42460440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 42460440 is about 6516.1675853219. The cubic root of 42460440 is about 348.8682901878.

Adding to 42460440 its reverse (4406424), we get a palindrome (46866864).

The spelling of 42460440 in words is "forty-two million, four hundred sixty thousand, four hundred forty".