40646142 has 12 divisors (see below), whose sum is σ = 88066680. Its totient is φ = 13548708.

The previous prime is 40646141. The next prime is 40646147. The reversal of 40646142 is 24164604.

40646142 is a `hidden beast` number, since 4 + 0 + 646 + 14 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40646141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1129042 + ... + 1129077.

It is an arithmetic number, because the mean of its divisors is an integer number (7338890).

Almost surely, 2^40646142 is an apocalyptic number.

40646142 is an abundant number, since it is smaller than the sum of its proper divisors (47420538).

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

40646142 is a wasteful number, since it uses less digits than its factorization.

40646142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258127 (or 2258124 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40646142 is about 6375.4326911983. The cubic root of 40646142 is about 343.8268406953.

The spelling of 40646142 in words is "forty million, six hundred forty-six thousand, one hundred forty-two".