42560380 has 48 divisors (see below), whose sum is σ = 96122880. Its totient is φ = 15778368.

The previous prime is 42560377. The next prime is 42560383. The reversal of 42560380 is 8306524.

It is an interprime number because it is at equal distance from previous prime (42560377) and next prime (42560383).

It is a super-2 number, since 2×42560380² = 3622771891488800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42560383) 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, 16669 + ... + 19051.

It is an arithmetic number, because the mean of its divisors is an integer number (2002560).

Almost surely, 2^42560380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42560380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48061440).

42560380 is an abundant number, since it is smaller than the sum of its proper divisors (53562500).

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

42560380 is a wasteful number, since it uses less digits than its factorization.

42560380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458 (or 2456 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 42560380 is about 6523.8316961737. The cubic root of 42560380 is about 349.1417885137.

The spelling of 42560380 in words is "forty-two million, five hundred sixty thousand, three hundred eighty".