40251254 has 4 divisors (see below), whose sum is σ = 60376884. Its totient is φ = 20125626.

The previous prime is 40251241. The next prime is 40251269. The reversal of 40251254 is 45215204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062812 + ... + 10062815.

It is an arithmetic number, because the mean of its divisors is an integer number (15094221).

Almost surely, 2^40251254 is an apocalyptic number.

40251254 is a deficient number, since it is larger than the sum of its proper divisors (20125630).

40251254 is a wasteful number, since it uses less digits than its factorization.

40251254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20125629.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 40251254 is about 6344.3875985000. The cubic root of 40251254 is about 342.7097590905.

Adding to 40251254 its reverse (45215204), we get a palindrome (85466458).

The spelling of 40251254 in words is "forty million, two hundred fifty-one thousand, two hundred fifty-four".