40251353042 has 8 divisors (see below), whose sum is σ = 61141296000. Its totient is φ = 19870921044.

The previous prime is 40251353029. The next prime is 40251353069. The reversal of 40251353042 is 24035315204.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 40251352996 and 40251353014.

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, 127377542 + ... + 127377857.

It is an arithmetic number, because the mean of its divisors is an integer number (7642662000).

Almost surely, 2^40251353042 is an apocalyptic number.

40251353042 is a deficient number, since it is larger than the sum of its proper divisors (20889942958).

40251353042 is a wasteful number, since it uses less digits than its factorization.

40251353042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254755480.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 40251353042 its reverse (24035315204), we get a palindrome (64286668246).

The spelling of 40251353042 in words is "forty billion, two hundred fifty-one million, three hundred fifty-three thousand, forty-two".