40757886 has 48 divisors (see below), whose sum is σ = 99249696. Its totient is φ = 11994048.

The previous prime is 40757881. The next prime is 40757903. The reversal of 40757886 is 68875704.

It is a super-2 number, since 2×40757886² = 3322410542377992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40757881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1596 + ... + 9168.

It is an arithmetic number, because the mean of its divisors is an integer number (2067702).

Almost surely, 2^40757886 is an apocalyptic number.

40757886 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40757886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49624848).

40757886 is an abundant number, since it is smaller than the sum of its proper divisors (58491810).

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

40757886 is a wasteful number, since it uses less digits than its factorization.

40757886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7617 (or 7614 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 40757886 is about 6384.1903167121. The cubic root of 40757886 is about 344.1416342589.

The spelling of 40757886 in words is "forty million, seven hundred fifty-seven thousand, eight hundred eighty-six".