40126648 has 32 divisors (see below), whose sum is σ = 79781760. Its totient is φ = 18887040.

The previous prime is 40126631. The next prime is 40126663. The reversal of 40126648 is 84662104.

It is a super-2 number, since 2×40126648² = 3220295759431808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6990 + ... + 11362.

It is an arithmetic number, because the mean of its divisors is an integer number (2493180).

Almost surely, 2^40126648 is an apocalyptic number.

It is an amenable number.

40126648 is a deficient number, since it is larger than the sum of its proper divisors (39655112).

40126648 is a wasteful number, since it uses less digits than its factorization.

40126648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447 (or 4443 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 40126648 is about 6334.5598110682. The cubic root of 40126648 is about 342.3557507889.

The spelling of 40126648 in words is "forty million, one hundred twenty-six thousand, six hundred forty-eight".