40421376 has 192 divisors, whose sum is σ = 129729600. Its totient is φ = 12386304.

The previous prime is 40421369. The next prime is 40421383. The reversal of 40421376 is 67312404.

It is an interprime number because it is at equal distance from previous prime (40421369) and next prime (40421383).

It is a tau number, because it is divible by the number of its divisors (192).

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 (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 940011 + ... + 940053.

It is an arithmetic number, because the mean of its divisors is an integer number (675675).

Almost surely, 2^40421376 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 40421376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64864800).

40421376 is an abundant number, since it is smaller than the sum of its proper divisors (89308224).

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

40421376 is a wasteful number, since it uses less digits than its factorization.

40421376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40421376 is about 6357.7807448826. The cubic root of 40421376 is about 343.1919016134.

The spelling of 40421376 in words is "forty million, four hundred twenty-one thousand, three hundred seventy-six".