40940851641 has 16 divisors (see below), whose sum is σ = 55239508800. Its totient is φ = 26968474368.

The previous prime is 40940851583. The next prime is 40940851669. The reversal of 40940851641 is 14615804904.

It is not a de Polignac number, because 40940851641 - 2⁷ = 40940851513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40940851593 and 40940851602.

It is not an unprimeable number, because it can be changed into a prime (40940801641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337005 + ... + 442101.

It is an arithmetic number, because the mean of its divisors is an integer number (3452469300).

Almost surely, 2^40940851641 is an apocalyptic number.

It is an amenable number.

40940851641 is a deficient number, since it is larger than the sum of its proper divisors (14298657159).

40940851641 is a wasteful number, since it uses less digits than its factorization.

40940851641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106648.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 40940851641 in words is "forty billion, nine hundred forty million, eight hundred fifty-one thousand, six hundred forty-one".