42015416 has 32 divisors (see below), whose sum is σ = 81838080. Its totient is φ = 20200800.

The previous prime is 42015383. The next prime is 42015419. The reversal of 42015416 is 61451024.

It is a junction number, because it is equal to n+sod(n) for n = 42015391 and 42015400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42015419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46925 + ... + 47811.

It is an arithmetic number, because the mean of its divisors is an integer number (2557440).

Almost surely, 2^42015416 is an apocalyptic number.

It is an amenable number.

42015416 is a deficient number, since it is larger than the sum of its proper divisors (39822664).

42015416 is a wasteful number, since it uses less digits than its factorization.

42015416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1111 counting only the distinct ones).

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

The square root of 42015416 is about 6481.9299595105. The cubic root of 42015416 is about 347.6451881965.

The spelling of 42015416 in words is "forty-two million, fifteen thousand, four hundred sixteen".