40731130 has 32 divisors (see below), whose sum is σ = 80274240. Its totient is φ = 14757120.

The previous prime is 40731127. The next prime is 40731149. The reversal of 40731130 is 3113704.

It is a junction number, because it is equal to n+sod(n) for n = 40731098 and 40731107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41202 + ... + 42178.

It is an arithmetic number, because the mean of its divisors is an integer number (2508570).

Almost surely, 2^40731130 is an apocalyptic number.

40731130 is a deficient number, since it is larger than the sum of its proper divisors (39543110).

40731130 is a wasteful number, since it uses less digits than its factorization.

40731130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 40731130 is about 6382.0944837882. The cubic root of 40731130 is about 344.0663124821.

Adding to 40731130 its reverse (3113704), we get a palindrome (43844834).

The spelling of 40731130 in words is "forty million, seven hundred thirty-one thousand, one hundred thirty".