40254137626 has 8 divisors (see below), whose sum is σ = 60383516544. Its totient is φ = 20126298780.

The previous prime is 40254137569. The next prime is 40254137629. The reversal of 40254137626 is 62673145204.

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 (40254137629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317290 + ... + 425653.

It is an arithmetic number, because the mean of its divisors is an integer number (7547939568).

Almost surely, 2^40254137626 is an apocalyptic number.

40254137626 is a deficient number, since it is larger than the sum of its proper divisors (20129378918).

40254137626 is a wasteful number, since it uses less digits than its factorization.

40254137626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770036.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 40254137626 in words is "forty billion, two hundred fifty-four million, one hundred thirty-seven thousand, six hundred twenty-six".