40360446021 has 16 divisors (see below), whose sum is σ = 61601330304. Its totient is φ = 23025725184.

The previous prime is 40360446013. The next prime is 40360446029. The reversal of 40360446021 is 12064406304.

It is an interprime number because it is at equal distance from previous prime (40360446013) and next prime (40360446029).

It is not a de Polignac number, because 40360446021 - 2³ = 40360446013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40360446021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40360446029) 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, 1544520 + ... + 1570433.

It is an arithmetic number, because the mean of its divisors is an integer number (3850083144).

Almost surely, 2^40360446021 is an apocalyptic number.

It is an amenable number.

40360446021 is a deficient number, since it is larger than the sum of its proper divisors (21240884283).

40360446021 is a wasteful number, since it uses less digits than its factorization.

40360446021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115580.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 40360446021 in words is "forty billion, three hundred sixty million, four hundred forty-six thousand, twenty-one".