40046610021 has 8 divisors (see below), whose sum is σ = 58249614624. Its totient is φ = 24270672720.

The previous prime is 40046609987. The next prime is 40046610041. The reversal of 40046610021 is 12001664004.

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

It is not a de Polignac number, because 40046610021 - 2¹⁹ = 40046085733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40046609973 and 40046610000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40046610041) 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 7 ways as a sum of consecutive naturals, for example, 606766786 + ... + 606766851.

It is an arithmetic number, because the mean of its divisors is an integer number (7281201828).

Almost surely, 2^40046610021 is an apocalyptic number.

It is an amenable number.

40046610021 is a deficient number, since it is larger than the sum of its proper divisors (18203004603).

40046610021 is a wasteful number, since it uses less digits than its factorization.

40046610021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213533651.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 40046610021 in words is "forty billion, forty-six million, six hundred ten thousand, twenty-one".