40262131 has 16 divisors (see below), whose sum is σ = 50400000. Its totient is φ = 31311648.

The previous prime is 40262119. The next prime is 40262143. The reversal of 40262131 is 13126204.

It is an interprime number because it is at equal distance from previous prime (40262119) and next prime (40262143).

It is a cyclic number.

It is not a de Polignac number, because 40262131 - 2⁵ = 40262099 is a prime.

It is a super-2 number, since 2×40262131² = 3242078385322322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40262099 and 40262108.

It is not an unprimeable number, because it can be changed into a prime (40262161) 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, 1620 + ... + 9118.

It is an arithmetic number, because the mean of its divisors is an integer number (3150000).

Almost surely, 2^40262131 is an apocalyptic number.

40262131 is a deficient number, since it is larger than the sum of its proper divisors (10137869).

40262131 is a wasteful number, since it uses less digits than its factorization.

40262131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40262131 is about 6345.2447549326. The cubic root of 40262131 is about 342.7406261895.

Adding to 40262131 its reverse (13126204), we get a palindrome (53388335).

The spelling of 40262131 in words is "forty million, two hundred sixty-two thousand, one hundred thirty-one".