40240431002 has 16 divisors (see below), whose sum is σ = 60565045032. Its totient is φ = 20052172800.

The previous prime is 40240430981. The next prime is 40240431019. The reversal of 40240431002 is 20013404204.

It can be written as a sum of positive squares in 4 ways, for example, as 37217740561 + 3022690441 = 192919^2 + 54979^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902948 + ... + 946464.

Almost surely, 2^40240431002 is an apocalyptic number.

40240431002 is a deficient number, since it is larger than the sum of its proper divisors (20324614030).

40240431002 is a wasteful number, since it uses less digits than its factorization.

40240431002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45073.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40240431002 its reverse (20013404204), we get a palindrome (60253835206).

The spelling of 40240431002 in words is "forty billion, two hundred forty million, four hundred thirty-one thousand, two".