40568970 has 128 divisors (see below), whose sum is σ = 115395840. Its totient is φ = 9031680.

The previous prime is 40568963. The next prime is 40568977. The reversal of 40568970 is 7986504.

It is an interprime number because it is at equal distance from previous prime (40568963) and next prime (40568977).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (40568977) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 192165 + ... + 192375.

It is an arithmetic number, because the mean of its divisors is an integer number (901530).

Almost surely, 2^40568970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40568970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57697920).

40568970 is an abundant number, since it is smaller than the sum of its proper divisors (74826870).

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

40568970 is a wasteful number, since it uses less digits than its factorization.

40568970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 40568970 is about 6369.3775206059. The cubic root of 40568970 is about 343.6091028075.

The spelling of 40568970 in words is "forty million, five hundred sixty-eight thousand, nine hundred seventy".