40241542 has 16 divisors (see below), whose sum is σ = 66754512. Its totient is φ = 18040320.

The previous prime is 40241521. The next prime is 40241543. The reversal of 40241542 is 24514204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40241543) 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, 10923 + ... + 14134.

It is an arithmetic number, because the mean of its divisors is an integer number (4172157).

Almost surely, 2^40241542 is an apocalyptic number.

40241542 is a deficient number, since it is larger than the sum of its proper divisors (26512970).

40241542 is a wasteful number, since it uses less digits than its factorization.

40241542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25143.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 40241542 is about 6343.6221514211. The cubic root of 40241542 is about 342.6821933662.

Adding to 40241542 its reverse (24514204), we get a palindrome (64755746).

The spelling of 40241542 in words is "forty million, two hundred forty-one thousand, five hundred forty-two".