40251154 has 8 divisors (see below), whose sum is σ = 60409548. Its totient is φ = 20114640.

The previous prime is 40251151. The next prime is 40251163. The reversal of 40251154 is 45115204.

It can be written as a sum of positive squares in 2 ways, for example, as 38875225 + 1375929 = 6235^2 + 1173^2 .

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 (40251151) 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, 384 + ... + 8980.

Almost surely, 2^40251154 is an apocalyptic number.

40251154 is a deficient number, since it is larger than the sum of its proper divisors (20158394).

40251154 is a wasteful number, since it uses less digits than its factorization.

40251154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10940.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 40251154 is about 6344.3797175138. The cubic root of 40251154 is about 342.7094752815.

Adding to 40251154 its reverse (45115204), we get a palindrome (85366358).

The spelling of 40251154 in words is "forty million, two hundred fifty-one thousand, one hundred fifty-four".