40212251654 has 8 divisors (see below), whose sum is σ = 60321354480. Its totient is φ = 20105133496.

The previous prime is 40212251647. The next prime is 40212251669. The reversal of 40212251654 is 45615221204.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40212251654.

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, 444434 + ... + 527205.

It is an arithmetic number, because the mean of its divisors is an integer number (7540169310).

Almost surely, 2^40212251654 is an apocalyptic number.

40212251654 is a deficient number, since it is larger than the sum of its proper divisors (20109102826).

40212251654 is a wasteful number, since it uses less digits than its factorization.

40212251654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992334.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 40212251654 its reverse (45615221204), we get a palindrome (85827472858).

The spelling of 40212251654 in words is "forty billion, two hundred twelve million, two hundred fifty-one thousand, six hundred fifty-four".