40245524 has 24 divisors (see below), whose sum is σ = 77239008. Its totient is φ = 18196640.

The previous prime is 40245521. The next prime is 40245539. The reversal of 40245524 is 42554204.

It is a junction number, because it is equal to n+sod(n) for n = 40245493 and 40245502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245521) 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, 6347 + ... + 10989.

It is an arithmetic number, because the mean of its divisors is an integer number (3218292).

Almost surely, 2^40245524 is an apocalyptic number.

40245524 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40245524 is a deficient number, since it is larger than the sum of its proper divisors (36993484).

40245524 is a wasteful number, since it uses less digits than its factorization.

40245524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855 (or 4853 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 40245524 is about 6343.9360021993. The cubic root of 40245524 is about 342.6934960766.

Adding to 40245524 its reverse (42554204), we get a palindrome (82799728).

The spelling of 40245524 in words is "forty million, two hundred forty-five thousand, five hundred twenty-four".