40250072572 has 12 divisors (see below), whose sum is σ = 70904102416. Its totient is φ = 19991757600.

The previous prime is 40250072537. The next prime is 40250072591. The reversal of 40250072572 is 27527005204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33318993 + ... + 33320200.

Almost surely, 2^40250072572 is an apocalyptic number.

It is an amenable number.

40250072572 is a deficient number, since it is larger than the sum of its proper divisors (30654029844).

40250072572 is a wasteful number, since it uses less digits than its factorization.

40250072572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66639348 (or 66639346 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

Adding to 40250072572 its reverse (27527005204), we get a palindrome (67777077776).

The spelling of 40250072572 in words is "forty billion, two hundred fifty million, seventy-two thousand, five hundred seventy-two".