40542435 has 48 divisors (see below), whose sum is σ = 74355840. Its totient is φ = 20401920.

The previous prime is 40542431. The next prime is 40542457. The reversal of 40542435 is 53424504.

It is not a de Polignac number, because 40542435 - 2² = 40542431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40542399 and 40542408.

It is not an unprimeable number, because it can be changed into a prime (40542431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61005 + ... + 61665.

It is an arithmetic number, because the mean of its divisors is an integer number (1549080).

Almost surely, 2^40542435 is an apocalyptic number.

40542435 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40542435 is a deficient number, since it is larger than the sum of its proper divisors (33813405).

40542435 is a wasteful number, since it uses less digits than its factorization.

40542435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 40542435 is about 6367.2941662845. The cubic root of 40542435 is about 343.5341715145.

Adding to 40542435 its reverse (53424504), we get a palindrome (93966939).

The spelling of 40542435 in words is "forty million, five hundred forty-two thousand, four hundred thirty-five".