40121676 has 96 divisors (see below), whose sum is σ = 120673280. Its totient is φ = 11290752.

The previous prime is 40121663. The next prime is 40121681. The reversal of 40121676 is 67612104.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 54825 + ... + 55551.

Almost surely, 2^40121676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40121676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60336640).

40121676 is an abundant number, since it is smaller than the sum of its proper divisors (80551604).

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

40121676 is a wasteful number, since it uses less digits than its factorization.

40121676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 40121676 is about 6334.1673485944. The cubic root of 40121676 is about 342.3416100355.

The spelling of 40121676 in words is "forty million, one hundred twenty-one thousand, six hundred seventy-six".