40100690 has 16 divisors (see below), whose sum is σ = 82492992. Its totient is φ = 13748784.

The previous prime is 40100663. The next prime is 40100693. The reversal of 40100690 is 9600104.

40100690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40100690² = 3216130676952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40100693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286364 + ... + 286503.

It is an arithmetic number, because the mean of its divisors is an integer number (5155812).

Almost surely, 2^40100690 is an apocalyptic number.

40100690 is an abundant number, since it is smaller than the sum of its proper divisors (42392302).

40100690 is a wasteful number, since it uses less digits than its factorization.

40100690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572881.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 40100690 is about 6332.5105605913. The cubic root of 40100690 is about 342.2819113495.

Adding to 40100690 its reverse (9600104), we get a palindrome (49700794).

The spelling of 40100690 in words is "forty million, one hundred thousand, six hundred ninety".