40020202151 has 4 divisors (see below), whose sum is σ = 42126528600. Its totient is φ = 37913875704.

The previous prime is 40020202141. The next prime is 40020202181. The reversal of 40020202151 is 15120202004.

40020202151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40020202151 - 2¹⁴ = 40020185767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40020202121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053163196 + ... + 1053163233.

It is an arithmetic number, because the mean of its divisors is an integer number (10531632150).

Almost surely, 2^40020202151 is an apocalyptic number.

40020202151 is a deficient number, since it is larger than the sum of its proper divisors (2106326449).

40020202151 is a wasteful number, since it uses less digits than its factorization.

40020202151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106326448.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 40020202151 its reverse (15120202004), we get a palindrome (55140404155).

The spelling of 40020202151 in words is "forty billion, twenty million, two hundred two thousand, one hundred fifty-one".