40141780 has 36 divisors (see below), whose sum is σ = 98063028. Its totient is φ = 13762560.

The previous prime is 40141733. The next prime is 40141817. The reversal of 40141780 is 8714104.

It can be written as a sum of positive squares in 2 ways, for example, as 26687556 + 13454224 = 5166^2 + 3668^2 .

It is a super-2 number, since 2×40141780² = 3222725003136800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19501 + ... + 21460.

It is an arithmetic number, because the mean of its divisors is an integer number (2723973).

Almost surely, 2^40141780 is an apocalyptic number.

It is an amenable number.

40141780 is an abundant number, since it is smaller than the sum of its proper divisors (57921248).

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

40141780 is a wasteful number, since it uses less digits than its factorization.

40141780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40984 (or 40975 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 40141780 is about 6335.7540987636. The cubic root of 40141780 is about 342.3987801839.

Adding to 40141780 its reverse (8714104), we get a palindrome (48855884).

The spelling of 40141780 in words is "forty million, one hundred forty-one thousand, seven hundred eighty".