40375880 has 32 divisors (see below), whose sum is σ = 93304440. Its totient is φ = 15713280.

The previous prime is 40375831. The next prime is 40375891. The reversal of 40375880 is 8857304.

It can be written as a sum of positive squares in 4 ways, for example, as 40018276 + 357604 = 6326^2 + 598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40375880.

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, 12161 + ... + 15120.

Almost surely, 2^40375880 is an apocalyptic number.

40375880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40375880 is an abundant number, since it is smaller than the sum of its proper divisors (52928560).

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

40375880 is a wasteful number, since it uses less digits than its factorization.

40375880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27329 (or 27325 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 40375880 is about 6354.2017594659. The cubic root of 40375880 is about 343.0630941853.

The spelling of 40375880 in words is "forty million, three hundred seventy-five thousand, eight hundred eighty".