40616645051 has 4 divisors (see below), whose sum is σ = 40633620552. Its totient is φ = 40599669552.

The previous prime is 40616645009. The next prime is 40616645107. The reversal of 40616645051 is 15054661604.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40616645051 - 2¹⁰ = 40616644027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40616644996 and 40616645014.

It is not an unprimeable number, because it can be changed into a prime (40616645351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8484161 + ... + 8488946.

It is an arithmetic number, because the mean of its divisors is an integer number (10158405138).

Almost surely, 2^40616645051 is an apocalyptic number.

40616645051 is a deficient number, since it is larger than the sum of its proper divisors (16975501).

40616645051 is a wasteful number, since it uses less digits than its factorization.

40616645051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16975500.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 40616645051 in words is "forty billion, six hundred sixteen million, six hundred forty-five thousand, fifty-one".