40467642 has 16 divisors (see below), whose sum is σ = 81000192. Its totient is φ = 13478400.

The previous prime is 40467613. The next prime is 40467643. The reversal of 40467642 is 24676404.

It is not an unprimeable number, because it can be changed into a prime (40467643) 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, 9978 + ... + 13434.

It is an arithmetic number, because the mean of its divisors is an integer number (5062512).

Almost surely, 2^40467642 is an apocalyptic number.

40467642 is an abundant number, since it is smaller than the sum of its proper divisors (40532550).

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

40467642 is a wasteful number, since it uses less digits than its factorization.

40467642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 40467642 is about 6361.4182380975. The cubic root of 40467642 is about 343.3227899696.

The spelling of 40467642 in words is "forty million, four hundred sixty-seven thousand, six hundred forty-two".