40011231502 has 16 divisors (see below), whose sum is σ = 67730612400. Its totient is φ = 17559787840.

The previous prime is 40011231487. The next prime is 40011231521. The reversal of 40011231502 is 20513211004.

It is a self number, because there is not a number n which added to its sum of digits gives 40011231502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31356127 + ... + 31357402.

It is an arithmetic number, because the mean of its divisors is an integer number (4233163275).

Almost surely, 2^40011231502 is an apocalyptic number.

40011231502 is a deficient number, since it is larger than the sum of its proper divisors (27719380898).

40011231502 is a wasteful number, since it uses less digits than its factorization.

40011231502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62713571.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 40011231502 its reverse (20513211004), we get a palindrome (60524442506).

The spelling of 40011231502 in words is "forty billion, eleven million, two hundred thirty-one thousand, five hundred two".