42401516 has 12 divisors (see below), whose sum is σ = 74659032. Its totient is φ = 21070368.

The previous prime is 42401501. The next prime is 42401531. The reversal of 42401516 is 61510424.

It is an interprime number because it is at equal distance from previous prime (42401501) and next prime (42401531).

It is a junction number, because it is equal to n+sod(n) for n = 42401491 and 42401500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31865 + ... + 33168.

It is an arithmetic number, because the mean of its divisors is an integer number (6221586).

Almost surely, 2^42401516 is an apocalyptic number.

It is an amenable number.

42401516 is a deficient number, since it is larger than the sum of its proper divisors (32257516).

42401516 is a wasteful number, since it uses less digits than its factorization.

42401516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65200 (or 65198 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 42401516 is about 6511.6446463240. The cubic root of 42401516 is about 348.7068361254.

The spelling of 42401516 in words is "forty-two million, four hundred one thousand, five hundred sixteen".