40542468 has 24 divisors (see below), whose sum is σ = 98712768. Its totient is φ = 12926496.

The previous prime is 40542461. The next prime is 40542473. The reversal of 40542468 is 86424504.

It is not an unprimeable number, because it can be changed into a prime (40542461) 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, 73171 + ... + 73722.

It is an arithmetic number, because the mean of its divisors is an integer number (4113032).

Almost surely, 2^40542468 is an apocalyptic number.

It is an amenable number.

40542468 is an abundant number, since it is smaller than the sum of its proper divisors (58170300).

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

40542468 is a wasteful number, since it uses less digits than its factorization.

40542468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146923 (or 146921 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 40542468 is about 6367.2967576516. The cubic root of 40542468 is about 343.5342647224.

The spelling of 40542468 in words is "forty million, five hundred forty-two thousand, four hundred sixty-eight".