40511494 has 8 divisors (see below), whose sum is σ = 60805080. Its totient is φ = 20243136.

The previous prime is 40511479. The next prime is 40511501. The reversal of 40511494 is 49411504.

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

It is a super-2 number, since 2×40511494² = 3282362292224072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1584 + ... + 9139.

It is an arithmetic number, because the mean of its divisors is an integer number (7600635).

Almost surely, 2^40511494 is an apocalyptic number.

40511494 is a deficient number, since it is larger than the sum of its proper divisors (20293586).

40511494 is a wasteful number, since it uses less digits than its factorization.

40511494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12614.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 40511494 is about 6364.8640205428. The cubic root of 40511494 is about 343.4467569660.

Adding to 40511494 its reverse (49411504), we get a palindrome (89922998).

The spelling of 40511494 in words is "forty million, five hundred eleven thousand, four hundred ninety-four".