40909248 has 42 divisors (see below), whose sum is σ = 117260624. Its totient is φ = 13636224.

The previous prime is 40909237. The next prime is 40909279. The reversal of 40909248 is 84290904.

It is a happy number.

40909248 is a `hidden beast` number, since 409 + 0 + 9 + 248 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34936 + ... + 36087.

Almost surely, 2^40909248 is an apocalyptic number.

40909248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40909248 is an abundant number, since it is smaller than the sum of its proper divisors (76351376).

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

40909248 is a wasteful number, since it uses less digits than its factorization.

40909248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71041 (or 71028 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 40909248 is about 6396.0337710178. The cubic root of 40909248 is about 344.5671193361.

The spelling of 40909248 in words is "forty million, nine hundred nine thousand, two hundred forty-eight".