40051021502 has 8 divisors (see below), whose sum is σ = 60184391256. Its totient is φ = 19989557752.

The previous prime is 40051021501. The next prime is 40051021511. The reversal of 40051021502 is 20512015004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40051021501) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17975108 + ... + 17977335.

It is an arithmetic number, because the mean of its divisors is an integer number (7523048907).

Almost surely, 2^40051021502 is an apocalyptic number.

40051021502 is a deficient number, since it is larger than the sum of its proper divisors (20133369754).

40051021502 is a wasteful number, since it uses less digits than its factorization.

40051021502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35953002.

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 40051021502 its reverse (20512015004), we get a palindrome (60563036506).

The spelling of 40051021502 in words is "forty billion, fifty-one million, twenty-one thousand, five hundred two".