40651154 has 8 divisors (see below), whose sum is σ = 61037388. Its totient is φ = 20305360.

The previous prime is 40651153. The next prime is 40651183. The reversal of 40651154 is 45115604.

It can be written as a sum of positive squares in 2 ways, for example, as 38626225 + 2024929 = 6215^2 + 1423^2 .

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 (40651151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7457 + ... + 11700.

Almost surely, 2^40651154 is an apocalyptic number.

40651154 is a deficient number, since it is larger than the sum of its proper divisors (20386234).

40651154 is a wasteful number, since it uses less digits than its factorization.

40651154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20220.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 40651154 is about 6375.8257504421. The cubic root of 40651154 is about 343.8409723301.

Adding to 40651154 its reverse (45115604), we get a palindrome (85766758).

The spelling of 40651154 in words is "forty million, six hundred fifty-one thousand, one hundred fifty-four".