40201542 has 32 divisors (see below), whose sum is σ = 90034560. Its totient is φ = 13295880.

The previous prime is 40201537. The next prime is 40201559. The reversal of 40201542 is 24510204.

40201542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4233 + ... + 9915.

It is an arithmetic number, because the mean of its divisors is an integer number (2813580).

Almost surely, 2^40201542 is an apocalyptic number.

40201542 is an abundant number, since it is smaller than the sum of its proper divisors (49833018).

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

40201542 is a wasteful number, since it uses less digits than its factorization.

40201542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825 (or 5819 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40201542 is about 6340.4685946703. The cubic root of 40201542 is about 342.5686139552.

Adding to 40201542 its reverse (24510204), we get a palindrome (64711746).

The spelling of 40201542 in words is "forty million, two hundred one thousand, five hundred forty-two".