40134790 has 16 divisors (see below), whose sum is σ = 76492512. Its totient is φ = 15109504.

The previous prime is 40134779. The next prime is 40134791. The reversal of 40134790 is 9743104.

It is a super-2 number, since 2×40134790² = 3221602736688200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40134791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117874 + ... + 118213.

It is an arithmetic number, because the mean of its divisors is an integer number (4780782).

Almost surely, 2^40134790 is an apocalyptic number.

40134790 is a deficient number, since it is larger than the sum of its proper divisors (36357722).

40134790 is a wasteful number, since it uses less digits than its factorization.

40134790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236111.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 40134790 is about 6335.2024434899. The cubic root of 40134790 is about 342.3789047456.

Adding to 40134790 its reverse (9743104), we get a palindrome (49877894).

The spelling of 40134790 in words is "forty million, one hundred thirty-four thousand, seven hundred ninety".