40242496 has 56 divisors (see below), whose sum is σ = 93431360. Its totient is φ = 16837632.

The previous prime is 40242469. The next prime is 40242497. The reversal of 40242496 is 69424204.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40242497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18220 + ... + 20308.

Almost surely, 2^40242496 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 40242496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46715680).

40242496 is an abundant number, since it is smaller than the sum of its proper divisors (53188864).

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

40242496 is a wasteful number, since it uses less digits than its factorization.

40242496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 40242496 is about 6343.6973446091. The cubic root of 40242496 is about 342.6849013160.

The spelling of 40242496 in words is "forty million, two hundred forty-two thousand, four hundred ninety-six".