40420446115 has 16 divisors (see below), whose sum is σ = 55471055040. Its totient is φ = 27698227200.

The previous prime is 40420446107. The next prime is 40420446133. The reversal of 40420446115 is 51164402404.

It is not a de Polignac number, because 40420446115 - 2³ = 40420446107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335686 + ... + 439915.

It is an arithmetic number, because the mean of its divisors is an integer number (3466940940).

Almost surely, 2^40420446115 is an apocalyptic number.

40420446115 is a deficient number, since it is larger than the sum of its proper divisors (15050608925).

40420446115 is a wasteful number, since it uses less digits than its factorization.

40420446115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777102.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 40420446115 its reverse (51164402404), we get a palindrome (91584848519).

The spelling of 40420446115 in words is "forty billion, four hundred twenty million, four hundred forty-six thousand, one hundred fifteen".