40975740 has 144 divisors (see below), whose sum is σ = 138348000. Its totient is φ = 10063872.

The previous prime is 40975717. The next prime is 40975751. The reversal of 40975740 is 4757904.

It is a happy number.

It is a super-2 number, since 2×40975740² = 3358022537095200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40975695 and 40975704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91036 + ... + 91484.

It is an arithmetic number, because the mean of its divisors is an integer number (960750).

Almost surely, 2^40975740 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 40975740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69174000).

40975740 is an abundant number, since it is smaller than the sum of its proper divisors (97372260).

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

40975740 is a wasteful number, since it uses less digits than its factorization.

40975740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 40975740 is about 6401.2295693874. The cubic root of 40975740 is about 344.7536994406.

The spelling of 40975740 in words is "forty million, nine hundred seventy-five thousand, seven hundred forty".