40031151 has 16 divisors (see below), whose sum is σ = 56098944. Its totient is φ = 25359264.

The previous prime is 40031113. The next prime is 40031171. The reversal of 40031151 is 15113004.

It is not a de Polignac number, because 40031151 - 2¹⁰ = 40030127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40031151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40031171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580 + ... + 8966.

It is an arithmetic number, because the mean of its divisors is an integer number (3506184).

Almost surely, 2^40031151 is an apocalyptic number.

40031151 is a deficient number, since it is larger than the sum of its proper divisors (16067793).

40031151 is a wasteful number, since it uses less digits than its factorization.

40031151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 40031151 is about 6327.0175438353. The cubic root of 40031151 is about 342.0839454002.

Adding to 40031151 its reverse (15113004), we get a palindrome (55144155).

The spelling of 40031151 in words is "forty million, thirty-one thousand, one hundred fifty-one".