40877838 has 32 divisors (see below), whose sum is σ = 91153920. Its totient is φ = 13578840.

The previous prime is 40877833. The next prime is 40877867. The reversal of 40877838 is 83877804.

It is a super-3 number, since 3×40877838³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40877793 and 40877802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40877833) 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 15 ways as a sum of consecutive naturals, for example, 16731 + ... + 19017.

It is an arithmetic number, because the mean of its divisors is an integer number (2848560).

Almost surely, 2^40877838 is an apocalyptic number.

40877838 is an abundant number, since it is smaller than the sum of its proper divisors (50276082).

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

40877838 is a wasteful number, since it uses less digits than its factorization.

40877838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629 (or 2623 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 40877838 is about 6393.5778715833. The cubic root of 40877838 is about 344.4789108841.

The spelling of 40877838 in words is "forty million, eight hundred seventy-seven thousand, eight hundred thirty-eight".