40642014 has 16 divisors (see below), whose sum is σ = 92896128. Its totient is φ = 11611992.

The previous prime is 40642003. The next prime is 40642037. The reversal of 40642014 is 41024604.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483792 + ... + 483875.

It is an arithmetic number, because the mean of its divisors is an integer number (5806008).

Almost surely, 2^40642014 is an apocalyptic number.

40642014 is an abundant number, since it is smaller than the sum of its proper divisors (52254114).

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

40642014 is a wasteful number, since it uses less digits than its factorization.

40642014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967679.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40642014 is about 6375.1089402456. The cubic root of 40642014 is about 343.8152006791.

Adding to 40642014 its reverse (41024604), we get a palindrome (81666618).

The spelling of 40642014 in words is "forty million, six hundred forty-two thousand, fourteen".