40731010 has 8 divisors (see below), whose sum is σ = 73315836. Its totient is φ = 16292400.

The previous prime is 40731001. The next prime is 40731017. The reversal of 40731010 is 1013704.

It can be written as a sum of positive squares in 2 ways, for example, as 40208281 + 522729 = 6341^2 + 723^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40731017) 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, 2036541 + ... + 2036560.

Almost surely, 2^40731010 is an apocalyptic number.

40731010 is a deficient number, since it is larger than the sum of its proper divisors (32584826).

40731010 is a wasteful number, since it uses less digits than its factorization.

40731010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073108.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 40731010 is about 6382.0850824789. The cubic root of 40731010 is about 344.0659745915.

Adding to 40731010 its reverse (1013704), we get a palindrome (41744714).

The spelling of 40731010 in words is "forty million, seven hundred thirty-one thousand, ten".