40877946 has 84 divisors (see below), whose sum is σ = 97917498. Its totient is φ = 12787632.

The previous prime is 40877939. The next prime is 40877951. The reversal of 40877946 is 64977804.

It can be written as a sum of positive squares in only one way, i.e., 31236921 + 9641025 = 5589^2 + 3105^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 771256 + ... + 771308.

Almost surely, 2^40877946 is an apocalyptic number.

40877946 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 40877946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48958749).

40877946 is an abundant number, since it is smaller than the sum of its proper divisors (57039552).

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

40877946 is an equidigital number, since it uses as much as digits as its factorization.

40877946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 40877946 is about 6393.5863175529. The cubic root of 40877946 is about 344.4792142570.

The spelling of 40877946 in words is "forty million, eight hundred seventy-seven thousand, nine hundred forty-six".