42405356515 has 16 divisors (see below), whose sum is σ = 51794979840. Its totient is φ = 33323875200.

The previous prime is 42405356503. The next prime is 42405356527. The reversal of 42405356515 is 51565350424.

It is an interprime number because it is at equal distance from previous prime (42405356503) and next prime (42405356527).

It is not a de Polignac number, because 42405356515 - 2⁹ = 42405356003 is a prime.

It is a super-2 number, since 2×42405356515² (a number of 22 digits) contains 22 as substring.

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, 266460 + ... + 394729.

It is an arithmetic number, because the mean of its divisors is an integer number (3237186240).

Almost surely, 2^42405356515 is an apocalyptic number.

42405356515 is a deficient number, since it is larger than the sum of its proper divisors (9389623325).

42405356515 is a wasteful number, since it uses less digits than its factorization.

42405356515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661422.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 42405356515 in words is "forty-two billion, four hundred five million, three hundred fifty-six thousand, five hundred fifteen".