40860880 has 80 divisors (see below), whose sum is σ = 101243520. Its totient is φ = 15302144.

The previous prime is 40860871. The next prime is 40860893. The reversal of 40860880 is 8806804.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×40860880² = 3339223028748800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97311 + ... + 97729.

It is an arithmetic number, because the mean of its divisors is an integer number (1265544).

Almost surely, 2^40860880 is an apocalyptic number.

40860880 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 40860880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50621760).

40860880 is an abundant number, since it is smaller than the sum of its proper divisors (60382640).

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

40860880 is a wasteful number, since it uses less digits than its factorization.

40860880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 40860880 is about 6392.2515595055. The cubic root of 40860880 is about 344.4312690840.

The spelling of 40860880 in words is "forty million, eight hundred sixty thousand, eight hundred eighty".