40551401626 has 16 divisors (see below), whose sum is σ = 63547613640. Its totient is φ = 19382708800.

The previous prime is 40551401623. The next prime is 40551401629. The reversal of 40551401626 is 62610415504.

It is an interprime number because it is at equal distance from previous prime (40551401623) and next prime (40551401629).

It can be written as a sum of positive squares in 4 ways, for example, as 39084894601 + 1466507025 = 197699^2 + 38295^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40551401591 and 40551401600.

It is not an unprimeable number, because it can be changed into a prime (40551401623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3455341 + ... + 3467056.

Almost surely, 2^40551401626 is an apocalyptic number.

40551401626 is a deficient number, since it is larger than the sum of its proper divisors (22996212014).

40551401626 is a wasteful number, since it uses less digits than its factorization.

40551401626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6922529.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 40551401626 in words is "forty billion, five hundred fifty-one million, four hundred one thousand, six hundred twenty-six".