40258560 has 88 divisors (see below), whose sum is σ = 128813616. Its totient is φ = 10731520.

The previous prime is 40258531. The next prime is 40258571. The reversal of 40258560 is 6585204.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14050 + ... + 16670.

Almost surely, 2^40258560 is an apocalyptic number.

40258560 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 40258560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64406808).

40258560 is an abundant number, since it is smaller than the sum of its proper divisors (88555056).

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

40258560 is a wasteful number, since it uses less digits than its factorization.

40258560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649 (or 2631 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 40258560 is about 6344.9633568682. The cubic root of 40258560 is about 342.7304929044.

The spelling of 40258560 in words is "forty million, two hundred fifty-eight thousand, five hundred sixty".