40251531122 has 48 divisors (see below), whose sum is σ = 69907034400. Its totient is φ = 17321040000.

The previous prime is 40251531077. The next prime is 40251531127. The reversal of 40251531122 is 22113515204.

It is a junction number, because it is equal to n+sod(n) for n = 40251531091 and 40251531100.

It is not an unprimeable number, because it can be changed into a prime (40251531127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10348154 + ... + 10352042.

It is an arithmetic number, because the mean of its divisors is an integer number (1456396550).

Almost surely, 2^40251531122 is an apocalyptic number.

40251531122 is a deficient number, since it is larger than the sum of its proper divisors (29655503278).

40251531122 is a wasteful number, since it uses less digits than its factorization.

40251531122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183 (or 6172 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 40251531122 in words is "forty billion, two hundred fifty-one million, five hundred thirty-one thousand, one hundred twenty-two".