40877390 has 8 divisors (see below), whose sum is σ = 73579320. Its totient is φ = 16350952.

The previous prime is 40877359. The next prime is 40877393. The reversal of 40877390 is 9377804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40877390² = 3341922026424200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40877393) 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 3 ways as a sum of consecutive naturals, for example, 2043860 + ... + 2043879.

It is an arithmetic number, because the mean of its divisors is an integer number (9197415).

Almost surely, 2^40877390 is an apocalyptic number.

40877390 is a deficient number, since it is larger than the sum of its proper divisors (32701930).

40877390 is a wasteful number, since it uses less digits than its factorization.

40877390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087746.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 40877390 is about 6393.5428363310. The cubic root of 40877390 is about 344.4776524425.

The spelling of 40877390 in words is "forty million, eight hundred seventy-seven thousand, three hundred ninety".